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drs_umn

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Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
Reviewed-by: Székely, Ond <ond.szekely@t-systems.com>
Co-authored-by: Ru, Li Yi <liyiru7@huawei.com>
Co-committed-by: Ru, Li Yi <liyiru7@huawei.com>
This commit is contained in:
Ru, Li Yi 2024-11-21 10:49:07 +00:00 committed by zuul
parent 44c0250eec
commit c7dfd27ae1
42 changed files with 2256 additions and 1414 deletions
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<tr id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_row2592193212194"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.3.2.4.2.1.2.3.1.1 "><p id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p7592232201911">Migrate Account</p>
</td>
<td class="cellrowborder" valign="top" width="75%" headers="mcps1.3.3.2.4.2.1.2.3.1.2 "><p id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p11670239171013">During a database migration, accounts need to be migrated separately.</p>
<div class="p" id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p106411111205412">There are accounts that can be migrated completely, accounts whose permissions need to be reduced, and accounts that cannot be migrated. You can choose whether to migrate the accounts based on service requirements. If you select <span class="uicontrol" id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_uicontrol1845534122119"><b>Yes</b></span>, you can select the accounts to be migrated as required.<ul id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_ul52489455107"><li id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_li52487450107"><strong id="drs_02_0002__drs_04_0088_b1182679">Yes</strong><p id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_p10236114416406">If you need to migrate accounts, see <a href="drs_09_0017.html">Migrating Accounts</a>.</p>
<div class="p" id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p106411111205412">There are accounts that can be migrated completely, accounts whose permissions need to be reduced, and accounts that cannot be migrated. You can choose whether to migrate the accounts based on service requirements. If you select <span class="uicontrol" id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_uicontrol1845534122119"><b>Yes</b></span>, you can select the accounts to be migrated as required.<ul id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_ul52489455107"><li id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_li52487450107"><strong id="drs_02_0002__drs_04_0088_b1135839619">Yes</strong><p id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_p10236114416406">If you need to migrate accounts, see <a href="drs_09_0017.html">Migrating Accounts</a>.</p>
</li></ul>
</div>
<ul id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_ul17378301111"><li id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_li07371535115"><strong id="drs_02_0002__drs_04_0088_b532696104">No</strong><p id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p794655681211">During migration, accounts, permissions, and passwords are not migrated.</p>
<ul id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_ul17378301111"><li id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_li07371535115"><strong id="drs_02_0002__drs_04_0088_b827317967">No</strong><p id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p794655681211">During migration, accounts, permissions, and passwords are not migrated.</p>
</li></ul>
</td>
</tr>
@ -284,7 +284,7 @@
<td class="cellrowborder" valign="top" width="75%" headers="mcps1.3.3.2.4.2.1.2.3.1.2 "><p id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p1384592151414">You can choose to migrate all objects, tables, or databases based on your service requirements.</p>
<ul id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_ul78601316141810"><li id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_li1486001601818"><strong id="drs_02_0002__drs_04_0088_b1437618103812">All</strong>: All objects in the source database are migrated to the destination database. After the migration, the object names will remain the same as those in the source database and cannot be modified.</li><li id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_li156818580599"><strong id="drs_02_0002__drs_04_0088_b14439158381">Tables</strong>: The selected table-level objects will be migrated.</li><li id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_li165086239593"><strong id="drs_02_0002__drs_04_0088_b21461518123810">Databases</strong>: The selected database-level objects will be migrated.</li></ul>
<p id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_p759715540459">If the source database is changed, click <span><img id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_image959917843110" src="en-us_image_0000001710470728.png"></span> in the upper right corner before selecting migration objects to ensure that the objects to be selected are from the changed source database.</p>
<div class="note" id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_note6192135932115"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_02_0002__drs_04_0088_li1650961216398">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_02_0002__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
<div class="note" id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_note6192135932115"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_02_0002__drs_04_0088_li1650961216398">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_02_0002__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_02_0002__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
</div></div>
</td>
</tr>
@ -308,7 +308,7 @@
</li></ul>
</li></ul>
</div>
</p></li><li id="drs_02_0002__drs_04_0088_li56954539172654"><span>On the displayed page, specify <strong id="drs_02_0002__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_02_0002__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_02_0002__drs_04_0088_li56954539172654"><span>On the <strong id="drs_02_0002__drs_04_0088_b1935660113117">Confirm Task </strong>page, specify <strong id="drs_02_0002__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_02_0002__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_02_0002__drs_04_0088_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 8 </b>Task startup settings</caption><thead align="left"><tr id="drs_02_0002__drs_04_0088_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.3.2.7.2.1.2.3.1.1"><p id="drs_02_0002__drs_04_0088_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.3.2.7.2.1.2.3.1.2"><p id="drs_02_0002__drs_04_0088_p1911203019815">Description</p>

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@ -301,7 +301,7 @@
<ul id="drs_02_0027__drs_04_0122_ul10511112714216"><li id="drs_02_0027__drs_04_0122_li1351172718212">If the check is complete and the check success rate is 100%, go to the <span class="uicontrol" id="drs_02_0027__drs_04_0122_uicontrol46024195207"><b>Compare Parameter</b></span> page.<div class="note" id="drs_02_0027__drs_04_0122_note1751262715219"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_02_0027__drs_04_0122_p175124272211">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_02_0027__drs_04_0122_li56954539172654"><span>On the displayed page, specify <strong id="drs_02_0027__drs_04_0122_b1697914567449">Start Time</strong> and DR instance details. Then, click <strong id="drs_02_0027__drs_04_0122_b6304818134612">Submit</strong>.</span><p>
</p></li><li id="drs_02_0027__drs_04_0122_li56954539172654"><span>On the <strong id="drs_02_0027__drs_04_0122_b1947532813714">Confirm Task </strong>page, specify <strong id="drs_02_0027__drs_04_0122_b1697914567449">Start Time</strong> and DR instance details. Then, click <strong id="drs_02_0027__drs_04_0122_b6304818134612">Submit</strong>.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_02_0027__drs_04_0122_table119001948202315" frame="border" border="1" rules="all"><caption><b>Table 9 </b>Task and recipient description</caption><thead align="left"><tr id="drs_02_0027__drs_04_0122_row89003485238"><th align="left" class="cellrowborder" valign="top" width="23.25%" id="mcps1.3.4.2.6.2.1.2.3.1.1"><p id="drs_02_0027__drs_04_0122_p79006488234">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="76.75%" id="mcps1.3.4.2.6.2.1.2.3.1.2"><p id="drs_02_0027__drs_04_0122_p9901148182318">Description</p>

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@ -29,10 +29,10 @@
<tr id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_row2592193212194"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.4.2.3.2.1.2.3.1.1 "><p id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p7592232201911">Migrate Account</p>
</td>
<td class="cellrowborder" valign="top" width="75%" headers="mcps1.3.4.2.3.2.1.2.3.1.2 "><p id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p11670239171013">During a database migration, accounts need to be migrated separately.</p>
<div class="p" id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p106411111205412">There are accounts that can be migrated completely, accounts whose permissions need to be reduced, and accounts that cannot be migrated. You can choose whether to migrate the accounts based on service requirements. If you select <span class="uicontrol" id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_uicontrol1845534122119"><b>Yes</b></span>, you can select the accounts to be migrated as required.<ul id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_ul52489455107"><li id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_li52487450107"><strong id="drs_03_0002__drs_04_0088_b1182679">Yes</strong><p id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_p10236114416406">If you need to migrate accounts, see <a href="drs_09_0017.html">Migrating Accounts</a>.</p>
<div class="p" id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p106411111205412">There are accounts that can be migrated completely, accounts whose permissions need to be reduced, and accounts that cannot be migrated. You can choose whether to migrate the accounts based on service requirements. If you select <span class="uicontrol" id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_uicontrol1845534122119"><b>Yes</b></span>, you can select the accounts to be migrated as required.<ul id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_ul52489455107"><li id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_li52487450107"><strong id="drs_03_0002__drs_04_0088_b1135839619">Yes</strong><p id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_p10236114416406">If you need to migrate accounts, see <a href="drs_09_0017.html">Migrating Accounts</a>.</p>
</li></ul>
</div>
<ul id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_ul17378301111"><li id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_li07371535115"><strong id="drs_03_0002__drs_04_0088_b532696104">No</strong><p id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p794655681211">During migration, accounts, permissions, and passwords are not migrated.</p>
<ul id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_ul17378301111"><li id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_li07371535115"><strong id="drs_03_0002__drs_04_0088_b827317967">No</strong><p id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p794655681211">During migration, accounts, permissions, and passwords are not migrated.</p>
</li></ul>
</td>
</tr>
@ -48,7 +48,7 @@
<td class="cellrowborder" valign="top" width="75%" headers="mcps1.3.4.2.3.2.1.2.3.1.2 "><p id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_p1384592151414">You can choose to migrate all objects, tables, or databases based on your service requirements.</p>
<ul id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_ul78601316141810"><li id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_li1486001601818"><strong id="drs_03_0002__drs_04_0088_b1437618103812">All</strong>: All objects in the source database are migrated to the destination database. After the migration, the object names will remain the same as those in the source database and cannot be modified.</li><li id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_li156818580599"><strong id="drs_03_0002__drs_04_0088_b14439158381">Tables</strong>: The selected table-level objects will be migrated.</li><li id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_li165086239593"><strong id="drs_03_0002__drs_04_0088_b21461518123810">Databases</strong>: The selected database-level objects will be migrated.</li></ul>
<p id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_p759715540459">If the source database is changed, click <span><img id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_image959917843110" src="en-us_image_0000001710470728.png"></span> in the upper right corner before selecting migration objects to ensure that the objects to be selected are from the changed source database.</p>
<div class="note" id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_note6192135932115"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_03_0002__drs_04_0088_li1650961216398">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_03_0002__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
<div class="note" id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_en-us_topic_0078078071_note6192135932115"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_03_0002__drs_04_0088_li1650961216398">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_03_0002__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_03_0002__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
</div></div>
</td>
</tr>

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@ -9,7 +9,7 @@
<ul id="drs_03_0026__drs_04_0122_ul10511112714216"><li id="drs_03_0026__drs_04_0122_li1351172718212">If the check is complete and the check success rate is 100%, go to the <span class="uicontrol" id="drs_03_0026__drs_04_0122_uicontrol46024195207"><b>Compare Parameter</b></span> page.<div class="note" id="drs_03_0026__drs_04_0122_note1751262715219"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_03_0026__drs_04_0122_p175124272211">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_03_0026__li56954539172654"><span>On the displayed page, specify <strong id="drs_03_0026__drs_04_0122_b1697914567449">Start Time</strong> and DR instance details. Then, click <strong id="drs_03_0026__drs_04_0122_b6304818134612">Submit</strong>.</span><p>
</p></li><li id="drs_03_0026__li56954539172654"><span>On the <strong id="drs_03_0026__drs_04_0122_b1947532813714">Confirm Task </strong>page, specify <strong id="drs_03_0026__drs_04_0122_b1697914567449">Start Time</strong> and DR instance details. Then, click <strong id="drs_03_0026__drs_04_0122_b6304818134612">Submit</strong>.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_03_0026__drs_04_0122_table119001948202315" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Task and recipient description</caption><thead align="left"><tr id="drs_03_0026__drs_04_0122_row89003485238"><th align="left" class="cellrowborder" valign="top" width="23.25%" id="mcps1.3.4.2.4.2.1.2.3.1.1"><p id="drs_03_0026__drs_04_0122_p79006488234">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="76.75%" id="mcps1.3.4.2.4.2.1.2.3.1.2"><p id="drs_03_0026__drs_04_0122_p9901148182318">Description</p>

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</div></div>
</p></li><li id="drs_03_0035__li1088085411352"><span>After the verification is successful, click <strong id="drs_03_0035__b1966041422101944">Generate Processing Rule</strong>. The rule is displayed.</span></li><li id="drs_03_0035__li118801254183513"><span>Click <strong id="drs_03_0035__b451783250">Next</strong>.</span></li></ol>
</div>
<div class="section" id="drs_03_0035__section117931959173518"><h4 class="sectiontitle">Advanced Settings for Data Filtering</h4><p id="drs_03_0035__p1193721615425">If you need to query an association table, you can use the advanced settings of data processing.</p>
<ol id="drs_03_0035__ol13653109193814"><li id="drs_03_0035__li465315963817"><span>In the <strong id="drs_03_0035__b16359123161419">Object</strong> area of the <strong id="drs_03_0035__b19359162319148">Data filtering </strong>page, select the table to be processed.</span></li><li id="drs_03_0035__li86533923817"><a name="drs_03_0035__li86533923817"></a><a name="li86533923817"></a><span>In the <strong id="drs_03_0035__b736289324101944">Filtering Criteria</strong> area, specify the filtering criteria, for example, id1 in (select id from db1.tab1 where id &gt;=3 and id &lt;10), and click <strong id="drs_03_0035__b1977500586101944">Verify</strong>.</span><p><div class="note" id="drs_03_0035__note1165310913389"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="drs_03_0035__ul136530913385"><li id="drs_03_0035__li1865359193812">Each table has only one verification rule.</li><li id="drs_03_0035__li166531398383">Up to 500 tables can be filtered at a time.</li><li id="drs_03_0035__li12923986299">The filter expression cannot use the package, function, variable, or constant of a specific DB engine. It must comply with the general SQL standard. Enter the part following WHERE in the SQL statement (excluding WHERE and semicolons), for example, sid &gt; 3 and sname like "G %". A maximum of 512 characters are allowed.</li><li id="drs_03_0035__li192154358303">Filter criteria cannot be configured for large objects, such as CLOB, BLOB, and BYTEA.</li><li id="drs_03_0035__li17216123512300">You are not advised to set filter criteria for fields of approximate numeric types, such as FLOAT, DECIMAL, and DOUBLE.</li><li id="drs_03_0035__li1521710359307">Do not use fields containing special characters as a filter condition.</li><li id="drs_03_0035__li43414202613">You are not advised to use non-idempotent expressions or functions as data processing conditions, such as SYSTIMESTAMP and SYSDATE, because the returned result may be different each time the function is called.</li></ul>
</div></div>
</p></li><li id="drs_03_0035__li765318911383"><span>After the verification is successful, click <strong id="drs_03_0035__b2129402859101944">Generate Processing Rule</strong>. The rule is displayed.</span></li><li id="drs_03_0035__li12654292385"><a name="drs_03_0035__li12654292385"></a><a name="li12654292385"></a><span>In the <strong id="drs_03_0035__b909110785101944">Advanced Settings</strong> area, specify the configuration condition and rule for the association table to help you filter data.</span><p><ol type="a" id="drs_03_0035__ol206541996389"><li id="drs_03_0035__li106542943814">In the <strong id="drs_03_0035__b642929491101944">Configuration Condition</strong> area, enter the association table information entered in <a href="#drs_03_0035__li86533923817">2</a>.<p id="drs_03_0035__p1265411915386"><strong id="drs_03_0035__b1127263828101944">Database Name</strong>, <strong id="drs_03_0035__b2096460836101944">Table Name</strong>, <strong id="drs_03_0035__b1194506330101944">Column Name</strong>, <strong id="drs_03_0035__b677236111101944">Primary Key</strong>, <strong id="drs_03_0035__b1851364574101944">Index</strong>, and <strong id="drs_03_0035__b962234725101944">Filter Criteria</strong> are mandatory. If the table does not have an index, enter its primary key.</p>
<p id="drs_03_0035__p76547963811"><strong id="drs_03_0035__b412492581101944">Filter Criteria</strong> is the filter condition of the association table information entered in <a href="#drs_03_0035__li86533923817">2</a>.</p>
</li><li id="drs_03_0035__li865439113819">Then, click <strong id="drs_03_0035__b1216539857101944">Verify</strong>.</li><li id="drs_03_0035__li765419983815">After the verification is successful, click <strong id="drs_03_0035__b9810181412411">Generate Configuration Rule</strong>. The rule is displayed in the <strong id="drs_03_0035__b298034863101944">Configuration Rule</strong> area.<p id="drs_03_0035__p765416915383">To filter data in multiple association tables, repeat <a href="#drs_03_0035__li12654292385">4</a>.</p>
<div class="note" id="drs_03_0035__note13654494388"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_03_0035__p66541953820">Configuration rules can be deleted.</p>
</div></div>
</li></ol>
</p></li><li id="drs_03_0035__li965411918385"><span>Click <strong id="drs_03_0035__b28454165327">Next</strong>.</span></li></ol>
</div>
<div class="section" id="drs_03_0035__section1558714972414"><h4 class="sectiontitle">Viewing Data Filtering Results</h4><ol id="drs_03_0035__ol187795215257"><li id="drs_03_0035__li67794217259"><span>In the task list, click the task to be processed.</span></li><li id="drs_03_0035__li77798218258"><span>Click the <strong id="drs_03_0035__b12441229192913">Process Data</strong> tab to view data filtering records. Click <span><img id="drs_03_0035__image1077942119256" src="en-us_image_0000001758430197.png"></span> in the upper right corner to refresh the record list.</span></li></ol>
</div>
</div>

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<td class="cellrowborder" valign="top" width="83.89999999999999%" headers="mcps1.3.5.3.4.2.1.2.3.1.2 "><p id="drs_03_1117__en-us_topic_0135097933_en-us_topic_0078078071_p1384592151414">You can choose to migrate all objects, tables, or databases based on your service requirements.</p>
<ul id="drs_03_1117__en-us_topic_0135097933_en-us_topic_0078078071_ul78601316141810"><li id="drs_03_1117__en-us_topic_0135097933_en-us_topic_0078078071_li1486001601818"><strong id="drs_03_1117__b202852013831710">All</strong>: All objects in the source database are migrated to the destination database. After the migration, the object names will remain the same as those in the source database and cannot be modified.</li><li id="drs_03_1117__en-us_topic_0135097933_li156818580599"><strong id="drs_03_1117__b202385169731710">Tables</strong>: The selected table-level objects will be migrated.</li><li id="drs_03_1117__en-us_topic_0135097933_li165086239593"><strong id="drs_03_1117__b87633568031710">Databases</strong>: The selected database-level objects will be migrated.</li></ul>
<p id="drs_03_1117__en-us_topic_0135097933_p759715540459">If the source database is changed, click <span><img id="drs_03_1117__en-us_topic_0135097933_image959917843110" src="en-us_image_0000001758429581.png"></span> in the upper right corner before selecting migration objects to ensure that the objects to be selected are from the changed source database.</p>
<div class="note" id="drs_03_1117__note127225415467"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_03_1117__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_03_1117__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_03_1117__drs_04_0088_li1650961216398">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_03_1117__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_03_1117__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
<div class="note" id="drs_03_1117__note127225415467"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_03_1117__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_03_1117__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_03_1117__drs_04_0088_li1650961216398">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_03_1117__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_03_1117__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
</div></div>
</td>
</tr>
</tbody>
</table>
</div>
</p></li><li id="drs_03_1117__li13665155542813"><span>On the displayed page, specify <strong id="drs_03_1117__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_03_1117__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_03_1117__li13665155542813"><span>On the <strong id="drs_03_1117__drs_04_0088_b1935660113117">Confirm Task </strong>page, specify <strong id="drs_03_1117__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_03_1117__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_03_1117__drs_04_0088_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 9 </b>Task startup settings</caption><thead align="left"><tr id="drs_03_1117__drs_04_0088_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.5.3.5.2.1.2.3.1.1"><p id="drs_03_1117__drs_04_0088_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.5.3.5.2.1.2.3.1.2"><p id="drs_03_1117__drs_04_0088_p1911203019815">Description</p>
@ -345,7 +345,7 @@
</li></ul>
</li></ul>
</div>
</p></li><li id="drs_03_1117__li2978122334"><span>On the displayed page, specify <strong id="drs_03_1117__drs_04_0088_b13281317141218_1">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_03_1117__drs_04_0088_b102831640121316_1">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_03_1117__li2978122334"><span>On the <strong id="drs_03_1117__drs_04_0088_b1935660113117_1">Confirm Task </strong>page, specify <strong id="drs_03_1117__drs_04_0088_b13281317141218_1">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_03_1117__drs_04_0088_b102831640121316_1">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_03_1117__drs_04_0088_table179101030984_1" frame="border" border="1" rules="all"><caption><b>Table 10 </b>Task startup settings</caption><thead align="left"><tr id="drs_03_1117__drs_04_0088_row1391043015814_1"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.5.3.8.2.1.2.3.1.1"><p id="drs_03_1117__drs_04_0088_p1391015304812_1">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.5.3.8.2.1.2.3.1.2"><p id="drs_03_1117__drs_04_0088_p1911203019815_1">Description</p>

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</td>
<td class="cellrowborder" valign="top" width="83.89999999999999%" headers="mcps1.3.5.2.4.2.1.2.3.1.2 "><p id="drs_03_1118__p4618131112179">Select <strong id="drs_03_1118__b32592653043044">Tables</strong>, <strong id="drs_03_1118__b90984827143044">Databases</strong>, or <strong id="drs_03_1118__b61208337143044">Import object file</strong> as required.</p>
<div class="note" id="drs_03_1118__note1437713208504"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_03_1118__drs_04_0102_ul12221742164912"><li id="drs_03_1118__drs_04_0102_li1422217424493">To quickly select the desired database objects, you can use the search function.</li><li id="drs_03_1118__drs_04_0102_li10940195064913">If there are changes made to the source databases or objects, click <span><img id="drs_03_1118__drs_04_0102_image20940105054917" src="en-us_image_0000001758549389.png"></span> in the upper right corner to update the objects to be synchronized.</li></ul>
<ul id="drs_03_1118__drs_04_0102_ul19601624657"><li id="drs_03_1118__drs_04_0102_li10479103119262">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_03_1118__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
<ul id="drs_03_1118__drs_04_0102_ul19601624657"><li id="drs_03_1118__drs_04_0102_li10479103119262">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_03_1118__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
</div></div>
</td>
</tr>
@ -302,7 +302,7 @@
</p></li><li id="drs_03_1118__li1361911121710"><span>On the <span class="uicontrol" id="drs_03_1118__uicontrol2090135914129"><b>Check Task</b></span> page, check the synchronization task.</span><p><ul id="drs_03_1118__ul16620911141713"><li id="drs_03_1118__li12620811151718">If any check fails, review the cause and rectify the fault. After the fault is rectified, click <strong id="drs_03_1118__b51770582543246">Check Again</strong>.</li><li id="drs_03_1118__li162016116178">If all check items are successful, click <span class="uicontrol" id="drs_03_1118__uicontrol198478198043246"><b>Next</b></span>.<div class="note" id="drs_03_1118__note9621161121718"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_03_1118__p18621711121716">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_03_1118__li11621611151719"><span>On the displayed page, specify <strong id="drs_03_1118__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_03_1118__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_03_1118__li11621611151719"><span>On the <strong id="drs_03_1118__drs_04_0102_b12546153883410">Confirm Task </strong>page, specify <strong id="drs_03_1118__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_03_1118__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_03_1118__drs_04_0102_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 8 </b>Task startup settings</caption><thead align="left"><tr id="drs_03_1118__drs_04_0102_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.5.2.7.2.1.2.3.1.1"><p id="drs_03_1118__drs_04_0102_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.5.2.7.2.1.2.3.1.2"><p id="drs_03_1118__drs_04_0102_p1911203019815">Description</p>

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<ul id="drs_03_1124__ul14298153711196"><li id="drs_03_1124__li1390164719575">If the synchronization objects in source and destination databases have different names, you can map the source object name to the destination one. For details, see <a href="drs_10_0015.html">Mapping Object Names</a>.<p id="drs_03_1124__p991383152515">If the database table name contains characters other than letters, digits, and underscores (_), or the mapped database table name contains hyphens (-) and number signs (#), the name length cannot exceed 42 characters.</p>
</li></ul>
<div class="note" id="drs_03_1124__note1437713208504"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_03_1124__drs_04_0102_ul12221742164912"><li id="drs_03_1124__drs_04_0102_li1422217424493">To quickly select the desired database objects, you can use the search function.</li><li id="drs_03_1124__drs_04_0102_li10940195064913">If there are changes made to the source databases or objects, click <span><img id="drs_03_1124__drs_04_0102_image20940105054917" src="en-us_image_0000001758549389.png"></span> in the upper right corner to update the objects to be synchronized.</li></ul>
<ul id="drs_03_1124__drs_04_0102_ul19601624657"><li id="drs_03_1124__drs_04_0102_li10479103119262">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_03_1124__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
<ul id="drs_03_1124__drs_04_0102_ul19601624657"><li id="drs_03_1124__drs_04_0102_li10479103119262">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_03_1124__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
</div></div>
</td>
</tr>
@ -274,7 +274,7 @@
</p></li><li id="drs_03_1124__li6318165233313"><span>On the <span class="uicontrol" id="drs_03_1124__en-us_topic_0141892586_uicontrol1368378894334"><b>Check Task</b></span> page, check the synchronization task.</span><p><ul id="drs_03_1124__en-us_topic_0141892586_ul4927900994415"><li id="drs_03_1124__en-us_topic_0141892586_li693508475">If any check fails, review the cause and rectify the fault. After the fault is rectified, click <strong id="drs_03_1124__b51770582543246">Check Again</strong>.</li><li id="drs_03_1124__en-us_topic_0141892586_li103321694719">If all check items are successful, click <span class="uicontrol" id="drs_03_1124__uicontrol198478198043246"><b>Next</b></span>.<div class="note" id="drs_03_1124__en-us_topic_0141892586_note9331116184719"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_03_1124__en-us_topic_0141892586_p1934716174711">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_03_1124__li14977728153117"><span>On the displayed page, specify <strong id="drs_03_1124__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_03_1124__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_03_1124__li14977728153117"><span>On the <strong id="drs_03_1124__drs_04_0102_b12546153883410">Confirm Task </strong>page, specify <strong id="drs_03_1124__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_03_1124__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_03_1124__drs_04_0102_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 8 </b>Task startup settings</caption><thead align="left"><tr id="drs_03_1124__drs_04_0102_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.5.3.6.2.1.2.3.1.1"><p id="drs_03_1124__drs_04_0102_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.5.3.6.2.1.2.3.1.2"><p id="drs_03_1124__drs_04_0102_p1911203019815">Description</p>

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<a name="drs_03_1138"></a><a name="drs_03_1138"></a>
<h1 class="topictitle1">Modifying Connection Information</h1>
<div id="body0000001388097129"><p id="drs_03_1138__p87581411142620">A data DR task may fail due to the password change of the service or DR database. You need to update the information and then retry the DR task on the DRS console.</p>
<p id="drs_03_1138__p27591911202616">You can modify the following information:</p>
<ul id="drs_03_1138__ul6759811192619"><li id="drs_03_1138__li4759101132613">Source database password</li><li id="drs_03_1138__li12759171113269">Destination database password<div class="note" id="drs_03_1138__note17759101111266"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_03_1138__p197591111268">After the preceding information is changed, the change takes effect immediately, and the data in the DR database is not cleared.</p>
</div></div>
</li></ul>
<div class="section" id="drs_03_1138__section37601311152613"><h4 class="sectiontitle">Prerequisites</h4><p id="drs_03_1138__p13760101162618">You have logged in to the DRS console.</p>
</div>
<div class="section" id="drs_03_1138__section1278362216171"><h4 class="sectiontitle">Procedure</h4><ol id="drs_03_1138__ol1772624131718"><li id="drs_03_1138__li137721024111711"><span>On the <span class="uicontrol" id="drs_03_1138__uicontrol193827129250"><b>Disaster Recovery Management</b></span> page, click the target DR task in the <strong id="drs_03_1138__b20383181262514">Task Name/ID</strong> column.</span></li><li id="drs_03_1138__li137722024191716"><span>On the <strong id="drs_03_1138__b17589143672511">Basic Information</strong> page, click <strong id="drs_03_1138__b12589153619253">Modify Connection Details</strong> in the <strong id="drs_03_1138__b2590183642510">DR Information</strong> area.</span></li><li id="drs_03_1138__li1726233511813"><span>In the displayed dialog box, change the passwords of the source and destination databases and click <strong id="drs_03_1138__b10909632162612">OK</strong>.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="drs_07_0008.html">Task Life Cycle</a></div>
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<div id="body1519382144985"><p id="drs_04_0002__p493491312234">The <strong id="drs_04_0002__b1361044342614">Basic Information</strong> page of a backup migration task displays information about the task, backup files, and databases. This section describes how to view details about current migration task.</p>
<div class="section" id="drs_04_0002__section16256919193311"><h4 class="sectiontitle">Prerequisites</h4><p id="drs_04_0002__p198941020113312">You have logged in to the DRS console.</p>
</div>
<div class="section" id="drs_04_0002__en-us_topic_0060142340_section52562732171832"><h4 class="sectiontitle">Procedure</h4><div class="note" id="drs_04_0002__note1564613569317"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0002__drs_04_0005_p1613029104414">In the task list, only tasks created by the current login user are displayed. Tasks created by different users of the same tenant are not displayed.</p>
<div class="section" id="drs_04_0002__en-us_topic_0060142340_section52562732171832"><h4 class="sectiontitle">Procedure</h4><div class="note" id="drs_04_0002__note1564613569317"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="drs_04_0002__drs_04_0005_ul052814356913"><li id="drs_04_0002__drs_04_0005_li55282358911">In the task list, only tasks created by the current login user are displayed. Tasks created by different users of the same tenant are not displayed.</li></ul>
</div></div>
<ol id="drs_04_0002__ol37422375153513"><li id="drs_04_0002__li2924397143744"><span>On the <strong id="drs_04_0002__b16354129173818">Backup Migration Management</strong> page, click the target migration task name in the <strong id="drs_04_0002__b153582912384">Task Name/ID</strong> column.</span></li><li id="drs_04_0002__li50159828153513"><span>On the displayed <strong id="drs_04_0002__b1626023217445">Basic Information</strong> tab, view details about the migration task.</span><p><p id="drs_04_0002__p30122674153221">You can view information about the task, backup files, and databases.</p>
</p></li></ol>

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<div id="body1531122416962"><p id="drs_04_0005__p78761834142013">This section describes how to view details about a migration task, including information about the task, replication instance, and migration.</p>
<div class="section" id="drs_04_0005__section16256919193311"><h4 class="sectiontitle">Prerequisites</h4><ul id="drs_04_0005__ul5215135614448"><li id="drs_04_0005__li1421519566449">You have logged in to the DRS console.</li><li id="drs_04_0005__li92868384517">A migration task has been created.</li></ul>
</div>
<div class="section" id="drs_04_0005__section1467945114913"><h4 class="sectiontitle">Procedure</h4><div class="note" id="drs_04_0005__note19987328144418"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0005__p1613029104414">In the task list, only tasks created by the current login user are displayed. Tasks created by different users of the same tenant are not displayed.</p>
<div class="section" id="drs_04_0005__section1467945114913"><h4 class="sectiontitle">Procedure</h4><div class="note" id="drs_04_0005__note19987328144418"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="drs_04_0005__ul052814356913"><li id="drs_04_0005__li55282358911">In the task list, only tasks created by the current login user are displayed. Tasks created by different users of the same tenant are not displayed.</li><li id="drs_04_0005__li142300401791">For a task whose source database is MySQL Schema and Logic Table or DDM, the task details of each subtask contain the information about the source and destination databases corresponding to the subtask.</li></ul>
</div></div>
<ol id="drs_04_0005__ol37422375153513"><li id="drs_04_0005__li2924397143744"><span>On the <strong id="drs_04_0005__b9126756195616">Online Migration Management</strong> page, click the target migration task name in the <strong id="drs_04_0005__b1612816565565">Task Name/ID</strong> column.</span></li><li id="drs_04_0005__li50159828153513"><span>On the displayed <strong id="drs_04_0005__b13146125015716">Basic Information</strong> tab, view details about the migration task.</span><p><p id="drs_04_0005__p31531939121">You can view information about the task, replication instance, and migration.</p>
<ol id="drs_04_0005__ol37422375153513"><li id="drs_04_0005__li2924397143744"><span>On the <strong id="drs_04_0005__b16516707103">Online Migration Management</strong> page, click the target migration task name in the <strong id="drs_04_0005__b1851840141014">Task Name/ID</strong> column.</span></li><li id="drs_04_0005__li50159828153513"><span>On the displayed <strong id="drs_04_0005__b13146125015716">Basic Information</strong> tab, view details about the migration task.</span><p><p id="drs_04_0005__p31531939121">You can view information about the task, replication instance, and migration.</p>
</p></li></ol>
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<tr id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_row2592193212194"><td class="cellrowborder" valign="top" width="25%" headers="mcps1.3.7.3.4.2.1.2.3.1.1 "><p id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_p7592232201911">Migrate Account</p>
</td>
<td class="cellrowborder" valign="top" width="75%" headers="mcps1.3.7.3.4.2.1.2.3.1.2 "><p id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_p11670239171013">During a database migration, accounts need to be migrated separately.</p>
<div class="p" id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_p106411111205412">There are accounts that can be migrated completely, accounts whose permissions need to be reduced, and accounts that cannot be migrated. You can choose whether to migrate the accounts based on service requirements. If you select <span class="uicontrol" id="drs_04_0088__en-us_topic_0135097933_uicontrol1845534122119"><b>Yes</b></span>, you can select the accounts to be migrated as required.<ul id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_ul52489455107"><li id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_li52487450107"><strong id="drs_04_0088__b1182679">Yes</strong><p id="drs_04_0088__en-us_topic_0135097933_p10236114416406">If you need to migrate accounts, see <a href="drs_09_0017.html">Migrating Accounts</a>.</p>
<div class="p" id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_p106411111205412">There are accounts that can be migrated completely, accounts whose permissions need to be reduced, and accounts that cannot be migrated. You can choose whether to migrate the accounts based on service requirements. If you select <span class="uicontrol" id="drs_04_0088__en-us_topic_0135097933_uicontrol1845534122119"><b>Yes</b></span>, you can select the accounts to be migrated as required.<ul id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_ul52489455107"><li id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_li52487450107"><strong id="drs_04_0088__b1135839619">Yes</strong><p id="drs_04_0088__en-us_topic_0135097933_p10236114416406">If you need to migrate accounts, see <a href="drs_09_0017.html">Migrating Accounts</a>.</p>
</li></ul>
</div>
<ul id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_ul17378301111"><li id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_li07371535115"><strong id="drs_04_0088__b532696104">No</strong><p id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_p794655681211">During migration, accounts, permissions, and passwords are not migrated.</p>
<ul id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_ul17378301111"><li id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_li07371535115"><strong id="drs_04_0088__b827317967">No</strong><p id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_p794655681211">During migration, accounts, permissions, and passwords are not migrated.</p>
</li></ul>
</td>
</tr>
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<td class="cellrowborder" valign="top" width="75%" headers="mcps1.3.7.3.4.2.1.2.3.1.2 "><p id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_p1384592151414">You can choose to migrate all objects, tables, or databases based on your service requirements.</p>
<ul id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_ul78601316141810"><li id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_li1486001601818"><strong id="drs_04_0088__b1437618103812">All</strong>: All objects in the source database are migrated to the destination database. After the migration, the object names will remain the same as those in the source database and cannot be modified.</li><li id="drs_04_0088__en-us_topic_0135097933_li156818580599"><strong id="drs_04_0088__b14439158381">Tables</strong>: The selected table-level objects will be migrated.</li><li id="drs_04_0088__en-us_topic_0135097933_li165086239593"><strong id="drs_04_0088__b21461518123810">Databases</strong>: The selected database-level objects will be migrated.</li></ul>
<p id="drs_04_0088__en-us_topic_0135097933_p759715540459">If the source database is changed, click <span><img id="drs_04_0088__en-us_topic_0135097933_image959917843110" src="en-us_image_0000001710470728.png"></span> in the upper right corner before selecting migration objects to ensure that the objects to be selected are from the changed source database.</p>
<div class="note" id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_note6192135932115"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0088__en-us_topic_0135097933_ul19601624657"><li id="drs_04_0088__en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_04_0088__li1650961216398">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0088__li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_04_0088__en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
<div class="note" id="drs_04_0088__en-us_topic_0135097933_en-us_topic_0078078071_note6192135932115"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0088__en-us_topic_0135097933_ul19601624657"><li id="drs_04_0088__en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_04_0088__li1650961216398">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0088__li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_04_0088__en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
</div></div>
</td>
</tr>
@ -422,7 +422,7 @@
</li></ul>
</li></ul>
</div>
</p></li><li id="drs_04_0088__li56954539172654"><span>On the displayed page, specify <strong id="drs_04_0088__b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_04_0088__b102831640121316">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0088__li56954539172654"><span>On the <strong id="drs_04_0088__b1935660113117">Confirm Task </strong>page, specify <strong id="drs_04_0088__b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_04_0088__b102831640121316">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0088__table179101030984" frame="border" border="1" rules="all"><caption><b>Table 12 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0088__row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.7.3.7.2.1.2.3.1.1"><p id="drs_04_0088__p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.7.3.7.2.1.2.3.1.2"><p id="drs_04_0088__p1911203019815">Description</p>

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<td class="cellrowborder" valign="top" width="84%" headers="mcps1.3.7.2.4.2.1.2.3.1.2 "><p id="drs_04_0090__p850518491514">You can choose to migrate all objects, tables, or databases based on your service requirements.</p>
<ul id="drs_04_0090__ul95050491655"><li id="drs_04_0090__li175051249159"><strong id="drs_04_0090__b1437618103812">All</strong>: All objects in the source database are migrated to the destination database. After the migration, the object names will remain the same as those in the source database and cannot be modified.</li><li id="drs_04_0090__li156818580599"><strong id="drs_04_0090__b14439158381">Tables</strong>: The selected table-level objects will be migrated.</li><li id="drs_04_0090__li165086239593"><strong id="drs_04_0090__b21461518123810">Databases</strong>: The selected database-level objects will be migrated.</li></ul>
<p id="drs_04_0090__p759715540459">If the source database is changed, click <span><img id="drs_04_0090__en-us_topic_0135097933_image959917843110" src="en-us_image_0000001758549997.png"></span> in the upper right corner before selecting migration objects to ensure that the objects to be selected are from the changed source database.</p>
<div class="note" id="drs_04_0090__en-us_topic_0078078071_note6192135932115"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0090__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_04_0090__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_04_0090__drs_04_0088_li1650961216398">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0090__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_04_0090__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
<div class="note" id="drs_04_0090__en-us_topic_0078078071_note6192135932115"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0090__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_04_0090__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_04_0090__drs_04_0088_li1650961216398">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0090__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_04_0090__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
</div></div>
</td>
</tr>
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<ul id="drs_04_0090__en-us_topic_0135097933_en-us_topic_0078078071_ul1414805314617"><li id="drs_04_0090__en-us_topic_0135097933_en-us_topic_0078078071_li214845364613">If the check is complete and the check success rate is 100%, click <span class="uicontrol" id="drs_04_0090__uicontrol189181752191711"><b>Next</b></span>.<div class="note" id="drs_04_0090__en-us_topic_0135097933_en-us_topic_0078078071_note1114835319465"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0090__en-us_topic_0135097933_en-us_topic_0078078071_p1414815531460">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0090__li13665155542813"><span>On the displayed page, specify <strong id="drs_04_0090__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_04_0090__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0090__li13665155542813"><span>On the <strong id="drs_04_0090__drs_04_0088_b1935660113117">Confirm Task </strong>page, specify <strong id="drs_04_0090__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_04_0090__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0090__drs_04_0088_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 11 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0090__drs_04_0088_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.7.2.6.2.1.2.3.1.1"><p id="drs_04_0090__drs_04_0088_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.7.2.6.2.1.2.3.1.2"><p id="drs_04_0090__drs_04_0088_p1911203019815">Description</p>

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<td class="cellrowborder" valign="top" width="83.27%" headers="mcps1.3.7.3.4.2.1.2.3.1.2 "><p id="drs_04_0095__p189288361457">You can choose to migrate all objects, tables, or databases based on your service requirements.</p>
<ul id="drs_04_0095__ul692812368518"><li id="drs_04_0095__li192843619520"><strong id="drs_04_0095__b1437618103812">All</strong>: All objects in the source database are migrated to the destination database. After the migration, the object names will remain the same as those in the source database and cannot be modified.</li><li id="drs_04_0095__li156818580599"><strong id="drs_04_0095__b14439158381">Tables</strong>: The selected table-level objects will be migrated.</li><li id="drs_04_0095__li165086239593"><strong id="drs_04_0095__b21461518123810">Databases</strong>: The selected database-level objects will be migrated.</li></ul>
<p id="drs_04_0095__p759715540459">If the source database is changed, click <span><img id="drs_04_0095__en-us_topic_0135097933_image959917843110" src="en-us_image_0000001710470416.png"></span> in the upper right corner before selecting migration objects to ensure that the objects to be selected are from the changed source database.</p>
<div class="note" id="drs_04_0095__note127225415467"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0095__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_04_0095__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_04_0095__drs_04_0088_li1650961216398">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0095__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_04_0095__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
<div class="note" id="drs_04_0095__note127225415467"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0095__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_04_0095__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_04_0095__drs_04_0088_li1650961216398">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0095__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_04_0095__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
</div></div>
</td>
</tr>
@ -381,7 +381,7 @@
<ul id="drs_04_0095__ul1131195513913"><li id="drs_04_0095__li1531155518913">If the check is complete and the check success rate is 100%, click <span class="uicontrol" id="drs_04_0095__uicontrol189181752191711"><b>Next</b></span>.<div class="note" id="drs_04_0095__note103115551892"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0095__p1432815366585">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0095__li1562610331994"><span>On the displayed page, specify <strong id="drs_04_0095__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_04_0095__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0095__li1562610331994"><span>On the <strong id="drs_04_0095__drs_04_0088_b1935660113117">Confirm Task </strong>page, specify <strong id="drs_04_0095__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_04_0095__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0095__drs_04_0088_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 11 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0095__drs_04_0088_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.7.3.6.2.1.2.3.1.1"><p id="drs_04_0095__drs_04_0088_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.7.3.6.2.1.2.3.1.2"><p id="drs_04_0095__drs_04_0088_p1911203019815">Description</p>

4
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@ -317,7 +317,7 @@
<td class="cellrowborder" valign="top" width="83.89999999999999%" headers="mcps1.3.6.3.4.2.1.2.3.1.2 "><p id="drs_04_0100__en-us_topic_0135097933_en-us_topic_0078078071_p1384592151414">You can choose to migrate all objects, tables, or databases based on your service requirements.</p>
<ul id="drs_04_0100__en-us_topic_0135097933_en-us_topic_0078078071_ul78601316141810"><li id="drs_04_0100__en-us_topic_0135097933_en-us_topic_0078078071_li1486001601818"><strong id="drs_04_0100__b1437618103812">All</strong>: All objects in the source database are migrated to the destination database. After the migration, the object names will remain the same as those in the source database and cannot be modified.</li><li id="drs_04_0100__en-us_topic_0135097933_li156818580599"><strong id="drs_04_0100__b14439158381">Tables</strong>: The selected table-level objects will be migrated.</li><li id="drs_04_0100__en-us_topic_0135097933_li165086239593"><strong id="drs_04_0100__b21461518123810">Databases</strong>: The selected database-level objects will be migrated.</li></ul>
<p id="drs_04_0100__en-us_topic_0135097933_p759715540459">If the source database is changed, click <span><img id="drs_04_0100__en-us_topic_0135097933_image959917843110" src="en-us_image_0000001710630464.png"></span> in the upper right corner before selecting migration objects to ensure that the objects to be selected are from the changed source database.</p>
<div class="note" id="drs_04_0100__note127225415467"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0100__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_04_0100__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_04_0100__drs_04_0088_li1650961216398">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0100__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_04_0100__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
<div class="note" id="drs_04_0100__note127225415467"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0100__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_04_0100__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_04_0100__drs_04_0088_li1650961216398">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0100__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_04_0100__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
</div></div>
</td>
</tr>
@ -329,7 +329,7 @@
<ul id="drs_04_0100__drs_04_0088_ul1414805314617"><li id="drs_04_0100__drs_04_0088_li214845364613">If the check is complete and the check success rate is 100%, click <span class="uicontrol" id="drs_04_0100__drs_04_0088_uicontrol189181752191711"><b>Next</b></span>.<div class="note" id="drs_04_0100__drs_04_0088_note1114835319465"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0100__drs_04_0088_p1414815531460">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0100__li13665155542813"><span>On the displayed page, specify <strong id="drs_04_0100__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_04_0100__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0100__li13665155542813"><span>On the <strong id="drs_04_0100__drs_04_0088_b1935660113117">Confirm Task </strong>page, specify <strong id="drs_04_0100__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_04_0100__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0100__drs_04_0088_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 9 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0100__drs_04_0088_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.6.3.6.2.1.2.3.1.1"><p id="drs_04_0100__drs_04_0088_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.6.3.6.2.1.2.3.1.2"><p id="drs_04_0100__drs_04_0088_p1911203019815">Description</p>

4
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<td class="cellrowborder" valign="top" width="83.57%" headers="mcps1.3.7.3.4.2.1.2.3.1.2 "><p id="drs_04_0101__en-us_topic_0078078071_p1384592151414">You can choose to migrate all objects, tables, or databases based on your service requirements.</p>
<ul id="drs_04_0101__en-us_topic_0078078071_ul78601316141810"><li id="drs_04_0101__en-us_topic_0078078071_li1486001601818"><strong id="drs_04_0101__b1437618103812">All</strong>: All objects in the source database are migrated to the destination database. After the migration, the object names will remain the same as those in the source database and cannot be modified.</li><li id="drs_04_0101__li156818580599"><strong id="drs_04_0101__b14439158381">Tables</strong>: The selected table-level objects will be migrated.</li><li id="drs_04_0101__li165086239593"><strong id="drs_04_0101__b21461518123810">Databases</strong>: The selected database-level objects will be migrated.</li></ul>
<p id="drs_04_0101__p759715540459">If the source database is changed, click <span><img id="drs_04_0101__en-us_topic_0135097933_image959917843110" src="en-us_image_0000001758549869.png"></span> in the upper right corner before selecting migration objects to ensure that the objects to be selected are from the changed source database.</p>
<div class="note" id="drs_04_0101__note127225415467"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0101__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_04_0101__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_04_0101__drs_04_0088_li1650961216398">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0101__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_04_0101__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
<div class="note" id="drs_04_0101__note127225415467"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0101__drs_04_0088_en-us_topic_0135097933_ul19601624657"><li id="drs_04_0101__drs_04_0088_en-us_topic_0135097933_li1960112416510">If you choose not to migrate all of the databases, the migration may fail because the objects, such as stored procedures and views, in the databases to be migrated may have dependencies on other objects that are not migrated. To prevent migration failure, migrate all of the databases.</li><li id="drs_04_0101__drs_04_0088_li1650961216398">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0101__drs_04_0088_li95123124391">The name of the selected migration object cannot contain spaces.</li><li id="drs_04_0101__drs_04_0088_en-us_topic_0135097933_li01376524218">To quickly select the desired database objects, you can use the search function.</li></ul>
</div></div>
</td>
</tr>
@ -327,7 +327,7 @@
<ul id="drs_04_0101__en-us_topic_0000001149034421_ul183281736195813"><li id="drs_04_0101__en-us_topic_0000001149034421_li1832853618581">If the check is complete and the check success rate is 100%, click <span class="uicontrol" id="drs_04_0101__uicontrol189181752191711"><b>Next</b></span>.<div class="note" id="drs_04_0101__en-us_topic_0000001149034421_note0328203614587"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0101__en-us_topic_0000001149034421_p1432815366585">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0101__li13665155542813"><span>On the displayed page, specify <strong id="drs_04_0101__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_04_0101__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0101__li13665155542813"><span>On the <strong id="drs_04_0101__drs_04_0088_b1935660113117">Confirm Task </strong>page, specify <strong id="drs_04_0101__drs_04_0088_b13281317141218">Start Time</strong> and confirm that the configured information is correct and click <strong id="drs_04_0101__drs_04_0088_b102831640121316">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0101__drs_04_0088_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 11 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0101__drs_04_0088_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.7.3.6.2.1.2.3.1.1"><p id="drs_04_0101__drs_04_0088_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.7.3.6.2.1.2.3.1.2"><p id="drs_04_0101__drs_04_0088_p1911203019815">Description</p>

4
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@ -299,7 +299,7 @@
<ul id="drs_04_0102__ul14298153711196"><li id="drs_04_0102__li1390164719575">If the synchronization objects in source and destination databases have different names, you can map the source object name to the destination one. For details, see <a href="drs_10_0015.html">Mapping Object Names</a>.<p id="drs_04_0102__p5907922242">If the database table name contains characters other than letters, digits, and underscores (_), or the mapped database table name contains hyphens (-) and number signs (#), the name length cannot exceed 42 characters.</p>
</li><li id="drs_04_0102__li18576304557">For details about how to import an object file, see <a href="drs_10_0402.html">Importing Synchronization Objects</a>.</li></ul>
<div class="note" id="drs_04_0102__en-us_topic_0078078071_note6192135932115"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0102__ul12221742164912"><li id="drs_04_0102__li1422217424493">To quickly select the desired database objects, you can use the search function.</li><li id="drs_04_0102__li10940195064913">If there are changes made to the source databases or objects, click <span><img id="drs_04_0102__image20940105054917" src="en-us_image_0000001758549389.png"></span> in the upper right corner to update the objects to be synchronized.</li></ul>
<ul id="drs_04_0102__ul19601624657"><li id="drs_04_0102__li10479103119262">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0102__li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
<ul id="drs_04_0102__ul19601624657"><li id="drs_04_0102__li10479103119262">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0102__li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
</div></div>
</td>
</tr>
@ -310,7 +310,7 @@
</p></li><li id="drs_04_0102__li4311227118055"><span>On the <span class="uicontrol" id="drs_04_0102__uicontrol1179122184613"><b>Check Task</b></span> page, check the synchronization task.</span><p><ul id="drs_04_0102__ul4927900994415"><li id="drs_04_0102__li693508475">If any check fails, review the cause and rectify the fault. After the fault is rectified, click <strong id="drs_04_0102__b51770582543246">Check Again</strong>.</li><li id="drs_04_0102__li103321694719">If all check items are successful, click <span class="uicontrol" id="drs_04_0102__uicontrol198478198043246"><b>Next</b></span>.<div class="note" id="drs_04_0102__note9331116184719"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0102__p1934716174711">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0102__li85242059155419"><span>On the displayed page, specify <strong id="drs_04_0102__b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0102__b9844152313486">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0102__li85242059155419"><span>On the <strong id="drs_04_0102__b12546153883410">Confirm Task </strong>page, specify <strong id="drs_04_0102__b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0102__b9844152313486">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0102__table179101030984" frame="border" border="1" rules="all"><caption><b>Table 9 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0102__row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.5.3.7.2.1.2.3.1.1"><p id="drs_04_0102__p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.5.3.7.2.1.2.3.1.2"><p id="drs_04_0102__p1911203019815">Description</p>

4
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@ -247,7 +247,7 @@
<td class="cellrowborder" valign="top" width="79.4%" headers="mcps1.3.6.4.2.1.2.3.1.2 "><p id="drs_04_0104__p16298637101913">You can synchronize tables based on the service requirements.</p>
<p id="drs_04_0104__p272614314527">If the synchronization objects in source and destination databases have different names, you can map the source object name to the destination one. For details, see <a href="drs_10_0015.html">Mapping Object Names</a>.</p>
<div class="note" id="drs_04_0104__note1437713208504"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0104__drs_04_0102_ul12221742164912"><li id="drs_04_0104__drs_04_0102_li1422217424493">To quickly select the desired database objects, you can use the search function.</li><li id="drs_04_0104__drs_04_0102_li10940195064913">If there are changes made to the source databases or objects, click <span><img id="drs_04_0104__drs_04_0102_image20940105054917" src="en-us_image_0000001758549389.png"></span> in the upper right corner to update the objects to be synchronized.</li></ul>
<ul id="drs_04_0104__drs_04_0102_ul19601624657"><li id="drs_04_0104__drs_04_0102_li10479103119262">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0104__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
<ul id="drs_04_0104__drs_04_0102_ul19601624657"><li id="drs_04_0104__drs_04_0102_li10479103119262">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0104__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
</div></div>
</td>
</tr>
@ -257,7 +257,7 @@
</p></li><li id="drs_04_0104__li6318165233313"><span>On the <span class="uicontrol" id="drs_04_0104__en-us_topic_0141892586_uicontrol1368378894334"><b>Check Task</b></span> page, check the synchronization task.</span><p><ul id="drs_04_0104__en-us_topic_0141892586_ul4927900994415"><li id="drs_04_0104__en-us_topic_0141892586_li693508475">If any check fails, review the cause and rectify the fault. After the fault is rectified, click <strong id="drs_04_0104__b62009890565734">Check Again</strong>.</li><li id="drs_04_0104__en-us_topic_0141892586_li103321694719">If all check items are successful, click <span class="uicontrol" id="drs_04_0104__en-us_topic_0141892586_uicontrol233151694716"><b>Next</b></span>.<div class="note" id="drs_04_0104__en-us_topic_0141892586_note9331116184719"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0104__en-us_topic_0141892586_p1934716174711">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0104__li14977728153117"><span>On the displayed page, specify <strong id="drs_04_0104__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0104__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0104__li14977728153117"><span>On the <strong id="drs_04_0104__drs_04_0102_b12546153883410">Confirm Task </strong>page, specify <strong id="drs_04_0104__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0104__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0104__drs_04_0102_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 8 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0104__drs_04_0102_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.6.6.2.1.2.3.1.1"><p id="drs_04_0104__drs_04_0102_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.6.6.2.1.2.3.1.2"><p id="drs_04_0104__drs_04_0102_p1911203019815">Description</p>

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<ul id="drs_04_0107__ul16647183454214"><li id="drs_04_0107__li19978102112410">If the synchronization objects in source and destination databases have different names, you can map the source object name to the destination one. For details, see <a href="drs_10_0015.html">Mapping Object Names</a>.<p id="drs_04_0107__p109631126117">When a schema name or table name is mapped, to prevent conflicts between indexes and constraint names, the original index name in the table is changed to the following format after synchronization: i_+hash value+original index name (which may be truncated)+_key The hash value is calculated based on the original schema name_original table name_original index name. Similarly, after the synchronization, the original constraint name on the table is changed to c_ + hash value + original constraint name (which may be truncated) + _key.</p>
</li></ul>
<div class="note" id="drs_04_0107__note1437713208504"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0107__drs_04_0102_ul12221742164912"><li id="drs_04_0107__drs_04_0102_li1422217424493">To quickly select the desired database objects, you can use the search function.</li><li id="drs_04_0107__drs_04_0102_li10940195064913">If there are changes made to the source databases or objects, click <span><img id="drs_04_0107__drs_04_0102_image20940105054917" src="en-us_image_0000001758549389.png"></span> in the upper right corner to update the objects to be synchronized.</li></ul>
<ul id="drs_04_0107__drs_04_0102_ul19601624657"><li id="drs_04_0107__drs_04_0102_li10479103119262">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0107__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
<ul id="drs_04_0107__drs_04_0102_ul19601624657"><li id="drs_04_0107__drs_04_0102_li10479103119262">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0107__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
</div></div>
</td>
</tr>
@ -406,7 +406,7 @@
</p></li><li id="drs_04_0107__li6318165233313"><span>On the <span class="uicontrol" id="drs_04_0107__en-us_topic_0141892586_uicontrol1368378894334"><b>Check Task</b></span> page, check the synchronization task.</span><p><ul id="drs_04_0107__en-us_topic_0141892586_ul4927900994415"><li id="drs_04_0107__en-us_topic_0141892586_li693508475">If any check fails, review the cause and rectify the fault. After the fault is rectified, click <strong id="drs_04_0107__b51770582543246">Check Again</strong>.</li><li id="drs_04_0107__en-us_topic_0141892586_li103321694719">If all check items are successful, click <span class="uicontrol" id="drs_04_0107__uicontrol198478198043246"><b>Next</b></span>.<div class="note" id="drs_04_0107__en-us_topic_0141892586_note9331116184719"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0107__en-us_topic_0141892586_p1934716174711">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0107__li14977728153117"><span>On the displayed page, specify <strong id="drs_04_0107__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0107__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0107__li14977728153117"><span>On the <strong id="drs_04_0107__drs_04_0102_b12546153883410">Confirm Task </strong>page, specify <strong id="drs_04_0107__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0107__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0107__drs_04_0102_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 11 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0107__drs_04_0102_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.7.3.6.2.1.2.3.1.1"><p id="drs_04_0107__drs_04_0102_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.7.3.6.2.1.2.3.1.2"><p id="drs_04_0107__drs_04_0102_p1911203019815">Description</p>

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<ul id="drs_04_0117__ul14298153711196"><li id="drs_04_0117__li1390164719575">If the synchronization objects in source and destination databases have different names, you can map the source object name to the destination one. For details, see <a href="drs_10_0015.html">Mapping Object Names</a>.<p id="drs_04_0117__p3644560284">If the database table name contains characters other than letters, digits, and underscores (_), or the mapped database table name contains hyphens (-) and number signs (#), the name length cannot exceed 42 characters.</p>
</li><li id="drs_04_0117__li18576304557">For details about how to import an object file, see <a href="drs_10_0402.html">Importing Synchronization Objects</a>.</li></ul>
<div class="note" id="drs_04_0117__note1437713208504"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0117__drs_04_0102_ul12221742164912"><li id="drs_04_0117__drs_04_0102_li1422217424493">To quickly select the desired database objects, you can use the search function.</li><li id="drs_04_0117__drs_04_0102_li10940195064913">If there are changes made to the source databases or objects, click <span><img id="drs_04_0117__drs_04_0102_image20940105054917" src="en-us_image_0000001758549389.png"></span> in the upper right corner to update the objects to be synchronized.</li></ul>
<ul id="drs_04_0117__drs_04_0102_ul19601624657"><li id="drs_04_0117__drs_04_0102_li10479103119262">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0117__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
<ul id="drs_04_0117__drs_04_0102_ul19601624657"><li id="drs_04_0117__drs_04_0102_li10479103119262">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0117__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
</div></div>
</td>
</tr>
@ -289,7 +289,7 @@
</p></li><li id="drs_04_0117__li4311227118055"><span>On the <span class="uicontrol" id="drs_04_0117__uicontrol1368378894334"><b>Check Task</b></span> page, check the synchronization task.</span><p><ul id="drs_04_0117__ul4927900994415"><li id="drs_04_0117__li693508475">If any check fails, review the cause and rectify the fault. After the fault is rectified, click <strong id="drs_04_0117__b168996914225347">Check Again</strong>.</li><li id="drs_04_0117__li103321694719">If all check items are successful, click <span class="uicontrol" id="drs_04_0117__uicontrol233151694716"><b>Next</b></span>.<div class="note" id="drs_04_0117__note9331116184719"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0117__p1934716174711">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0117__li14977728153117"><span>On the displayed page, specify <strong id="drs_04_0117__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0117__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0117__li14977728153117"><span>On the <strong id="drs_04_0117__drs_04_0102_b12546153883410">Confirm Task </strong>page, specify <strong id="drs_04_0117__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0117__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0117__drs_04_0102_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 8 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0117__drs_04_0102_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.5.3.7.2.1.2.3.1.1"><p id="drs_04_0117__drs_04_0102_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.5.3.7.2.1.2.3.1.2"><p id="drs_04_0117__drs_04_0102_p1911203019815">Description</p>

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<td class="cellrowborder" valign="top" width="84%" headers="mcps1.3.6.2.4.2.1.2.3.1.2 "><p id="drs_04_0118__p85921932191910">Available options: <strong id="drs_04_0118__b1130915443">Tables</strong> or <strong id="drs_04_0118__b73171358416">Databases</strong> as required.</p>
<ul id="drs_04_0118__ul13693174744610"><li id="drs_04_0118__li19978102112410">If the synchronization objects in source and destination databases have different names, you can map the source object name to the destination one. For details, see <a href="drs_10_0015.html">Mapping Object Names</a>.</li></ul>
<div class="note" id="drs_04_0118__note1437713208504"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0118__drs_04_0102_ul12221742164912"><li id="drs_04_0118__drs_04_0102_li1422217424493">To quickly select the desired database objects, you can use the search function.</li><li id="drs_04_0118__drs_04_0102_li10940195064913">If there are changes made to the source databases or objects, click <span><img id="drs_04_0118__drs_04_0102_image20940105054917" src="en-us_image_0000001758549389.png"></span> in the upper right corner to update the objects to be synchronized.</li></ul>
<ul id="drs_04_0118__drs_04_0102_ul19601624657"><li id="drs_04_0118__drs_04_0102_li10479103119262">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0118__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
<ul id="drs_04_0118__drs_04_0102_ul19601624657"><li id="drs_04_0118__drs_04_0102_li10479103119262">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0118__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
</div></div>
</td>
</tr>
@ -262,7 +262,7 @@
</p></li><li id="drs_04_0118__li4311227118055"><span>On the <span class="uicontrol" id="drs_04_0118__en-us_topic_0141892586_uicontrol1368378894334"><b>Check Task</b></span> page, check the synchronization task.</span><p><ul id="drs_04_0118__en-us_topic_0141892586_ul4927900994415"><li id="drs_04_0118__en-us_topic_0141892586_li693508475">If any check fails, review the cause and rectify the fault. After the fault is rectified, click <strong id="drs_04_0118__b51770582543246">Check Again</strong>.</li><li id="drs_04_0118__en-us_topic_0141892586_li103321694719">If all check items are successful, click <span class="uicontrol" id="drs_04_0118__uicontrol198478198043246"><b>Next</b></span>.<div class="note" id="drs_04_0118__en-us_topic_0141892586_note9331116184719"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0118__en-us_topic_0141892586_p1934716174711">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0118__li14977728153117"><span>On the displayed page, specify <strong id="drs_04_0118__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0118__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0118__li14977728153117"><span>On the <strong id="drs_04_0118__drs_04_0102_b12546153883410">Confirm Task </strong>page, specify <strong id="drs_04_0118__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0118__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0118__drs_04_0102_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 8 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0118__drs_04_0102_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.6.2.7.2.1.2.3.1.1"><p id="drs_04_0118__drs_04_0102_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.6.2.7.2.1.2.3.1.2"><p id="drs_04_0118__drs_04_0102_p1911203019815">Description</p>

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<td class="cellrowborder" valign="top" width="84%" headers="mcps1.3.7.2.4.2.1.2.3.1.2 "><p id="drs_04_0121__p174271414164712">DRS supports table-level synchronization. You can select data for synchronization based on your service requirements.</p>
<p id="drs_04_0121__p2356248182310">If the synchronization objects in source and destination databases have different names, you can map the source object name to the destination one. For details, see <a href="drs_10_0015.html">Mapping Object Names</a>.</p>
<div class="note" id="drs_04_0121__note1437713208504"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0121__drs_04_0102_ul12221742164912"><li id="drs_04_0121__drs_04_0102_li1422217424493">To quickly select the desired database objects, you can use the search function.</li><li id="drs_04_0121__drs_04_0102_li10940195064913">If there are changes made to the source databases or objects, click <span><img id="drs_04_0121__drs_04_0102_image20940105054917" src="en-us_image_0000001758549389.png"></span> in the upper right corner to update the objects to be synchronized.</li></ul>
<ul id="drs_04_0121__drs_04_0102_ul19601624657"><li id="drs_04_0121__drs_04_0102_li10479103119262">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0121__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
<ul id="drs_04_0121__drs_04_0102_ul19601624657"><li id="drs_04_0121__drs_04_0102_li10479103119262">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0121__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
</div></div>
</td>
</tr>
@ -287,7 +287,7 @@
</p></li><li id="drs_04_0121__li4311227118055"><span>On the <span class="uicontrol" id="drs_04_0121__en-us_topic_0221102801_uicontrol1865884922919"><b>Check Task</b></span> page, check the synchronization task.</span><p><ul id="drs_04_0121__en-us_topic_0221102801_ul156581949132910"><li id="drs_04_0121__en-us_topic_0221102801_li4658164916294">If any check fails, review the cause and rectify the fault. After the fault is rectified, click <strong id="drs_04_0121__b51770582543246">Check Again</strong>.</li><li id="drs_04_0121__en-us_topic_0221102801_li365824915298">If all check items are successful, click <span class="uicontrol" id="drs_04_0121__uicontrol198478198043246"><b>Next</b></span>.<div class="note" id="drs_04_0121__en-us_topic_0221102801_note1565874952917"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0121__en-us_topic_0221102801_p17659149112915">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0121__li14977728153117"><span>On the displayed page, specify <strong id="drs_04_0121__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0121__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0121__li14977728153117"><span>On the <strong id="drs_04_0121__drs_04_0102_b12546153883410">Confirm Task </strong>page, specify <strong id="drs_04_0121__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0121__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0121__drs_04_0102_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 10 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0121__drs_04_0102_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.7.2.6.2.1.2.3.1.1"><p id="drs_04_0121__drs_04_0102_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.7.2.6.2.1.2.3.1.2"><p id="drs_04_0121__drs_04_0102_p1911203019815">Description</p>

2
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<ul id="drs_04_0122__ul10511112714216"><li id="drs_04_0122__li1351172718212">If the check is complete and the check success rate is 100%, go to the <span class="uicontrol" id="drs_04_0122__uicontrol46024195207"><b>Compare Parameter</b></span> page.<div class="note" id="drs_04_0122__note1751262715219"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0122__p175124272211">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0122__li56954539172654"><span>On the displayed page, specify <strong id="drs_04_0122__b1697914567449">Start Time</strong> and DR instance details. Then, click <strong id="drs_04_0122__b6304818134612">Submit</strong>.</span><p>
</p></li><li id="drs_04_0122__li56954539172654"><span>On the <strong id="drs_04_0122__b1947532813714">Confirm Task </strong>page, specify <strong id="drs_04_0122__b1697914567449">Start Time</strong> and DR instance details. Then, click <strong id="drs_04_0122__b6304818134612">Submit</strong>.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0122__table119001948202315" frame="border" border="1" rules="all"><caption><b>Table 11 </b>Task and recipient description</caption><thead align="left"><tr id="drs_04_0122__row89003485238"><th align="left" class="cellrowborder" valign="top" width="23.25%" id="mcps1.3.5.2.6.2.1.2.3.1.1"><p id="drs_04_0122__p79006488234">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="76.75%" id="mcps1.3.5.2.6.2.1.2.3.1.2"><p id="drs_04_0122__p9901148182318">Description</p>

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<ul id="drs_04_0123__ul10511112714216"><li id="drs_04_0123__li1351172718212">If the check is complete and the check success rate is 100%, click <span class="uicontrol" id="drs_04_0123__uicontrol16914582940327"><b>Next</b></span>.<div class="note" id="drs_04_0123__note1751262715219"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0123__p175124272211">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0123__li56954539172654"><span>On the displayed page, specify <strong id="drs_04_0123__drs_04_0122_b1697914567449">Start Time</strong> and DR instance details. Then, click <strong id="drs_04_0123__drs_04_0122_b6304818134612">Submit</strong>.</span><p>
</p></li><li id="drs_04_0123__li56954539172654"><span>On the <strong id="drs_04_0123__drs_04_0122_b1947532813714">Confirm Task </strong>page, specify <strong id="drs_04_0123__drs_04_0122_b1697914567449">Start Time</strong> and DR instance details. Then, click <strong id="drs_04_0123__drs_04_0122_b6304818134612">Submit</strong>.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0123__drs_04_0122_table119001948202315" frame="border" border="1" rules="all"><caption><b>Table 8 </b>Task and recipient description</caption><thead align="left"><tr id="drs_04_0123__drs_04_0122_row89003485238"><th align="left" class="cellrowborder" valign="top" width="23.25%" id="mcps1.3.5.2.6.2.1.2.3.1.1"><p id="drs_04_0123__drs_04_0122_p79006488234">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="76.75%" id="mcps1.3.5.2.6.2.1.2.3.1.2"><p id="drs_04_0123__drs_04_0122_p9901148182318">Description</p>

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</p></li><li id="drs_04_0128__li147513273375"><span>On the <span class="uicontrol" id="drs_04_0128__uicontrol2090135914129"><b>Check Task</b></span> page, check the synchronization task.</span><p><ul id="drs_04_0128__en-us_topic_0000001160467780_ul4927900994415"><li id="drs_04_0128__en-us_topic_0000001160467780_li693508475">If any check fails, review the cause and rectify the fault. After the fault is rectified, click <strong id="drs_04_0128__b51770582543246">Check Again</strong>.</li><li id="drs_04_0128__en-us_topic_0000001160467780_li103321694719">If all check items are successful, click <span class="uicontrol" id="drs_04_0128__uicontrol198478198043246"><b>Next</b></span>.<div class="note" id="drs_04_0128__en-us_topic_0000001160467780_note9331116184719"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0128__en-us_topic_0000001160467780_p1934716174711">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0128__li11621611151719"><span>On the displayed page, specify <strong id="drs_04_0128__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0128__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0128__li11621611151719"><span>On the <strong id="drs_04_0128__drs_04_0102_b12546153883410">Confirm Task </strong>page, specify <strong id="drs_04_0128__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0128__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0128__drs_04_0102_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 8 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0128__drs_04_0102_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.5.2.7.2.1.2.3.1.1"><p id="drs_04_0128__drs_04_0102_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.5.2.7.2.1.2.3.1.2"><p id="drs_04_0128__drs_04_0102_p1911203019815">Description</p>

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<td class="cellrowborder" valign="top" width="84%" headers="mcps1.3.5.3.4.2.1.2.3.1.2 "><p id="drs_04_0446__p174271414164712">Select <strong id="drs_04_0446__b475163220368">Tables</strong> or <strong id="drs_04_0446__b875316325362">Databases</strong> as required.</p>
<ul id="drs_04_0446__ul24981905240"><li id="drs_04_0446__li527574719595">If the synchronization objects in source and destination databases have different names, you can map the source object name to the destination one. For details, see <a href="drs_10_0015.html">Mapping Object Names</a>.</li></ul>
<div class="note" id="drs_04_0446__note1437713208504"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_04_0446__drs_04_0102_ul12221742164912"><li id="drs_04_0446__drs_04_0102_li1422217424493">To quickly select the desired database objects, you can use the search function.</li><li id="drs_04_0446__drs_04_0102_li10940195064913">If there are changes made to the source databases or objects, click <span><img id="drs_04_0446__drs_04_0102_image20940105054917" src="en-us_image_0000001758549389.png"></span> in the upper right corner to update the objects to be synchronized.</li></ul>
<ul id="drs_04_0446__drs_04_0102_ul19601624657"><li id="drs_04_0446__drs_04_0102_li10479103119262">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_04_0446__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
<ul id="drs_04_0446__drs_04_0102_ul19601624657"><li id="drs_04_0446__drs_04_0102_li10479103119262">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_04_0446__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
</div></div>
</td>
</tr>
@ -277,7 +277,7 @@
</p></li><li id="drs_04_0446__li6318165233313"><span>On the <span class="uicontrol" id="drs_04_0446__uicontrol12393015377"><b>Check Task</b></span> page, check the synchronization task.</span><p><ul id="drs_04_0446__en-us_topic_0141892586_ul4927900994415"><li id="drs_04_0446__li14262115812819">If any check fails, review the cause and rectify the fault. After the fault is rectified, click <strong id="drs_04_0446__en-us_topic_0000001089538759_b51770582543246">Check Again</strong>.</li><li id="drs_04_0446__en-us_topic_0141892586_li103321694719">If all check items are successful, click <span class="uicontrol" id="drs_04_0446__uicontrol23105918371"><b>Next</b></span>.<div class="note" id="drs_04_0446__en-us_topic_0141892586_note9331116184719"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_04_0446__en-us_topic_0141892586_p1934716174711">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_04_0446__li14977728153117"><span>On the displayed page, specify <strong id="drs_04_0446__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0446__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_04_0446__li14977728153117"><span>On the <strong id="drs_04_0446__drs_04_0102_b12546153883410">Confirm Task </strong>page, specify <strong id="drs_04_0446__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_04_0446__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0446__drs_04_0102_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 8 </b>Task startup settings</caption><thead align="left"><tr id="drs_04_0446__drs_04_0102_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.5.3.6.2.1.2.3.1.1"><p id="drs_04_0446__drs_04_0102_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.5.3.6.2.1.2.3.1.2"><p id="drs_04_0446__drs_04_0102_p1911203019815">Description</p>

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</li>
<li class="ulchildlink"><strong><a href="drs_04_0118.html">From MySQL to Kafka</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="drs_04_0453.html">From DDM to MySQL</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="drs_04_0121.html">From GaussDB Distributed to MySQL</a></strong><br>
</li>
</ul>

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<a name="drs_04_0453"></a><a name="drs_04_0453"></a>
<h1 class="topictitle1">From DDM to MySQL</h1>
<div id="body0000001179228365"><div class="section" id="drs_04_0453__section972219465132"><h4 class="sectiontitle">Supported Source and Destination Databases</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0453__table98082311144" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Supported databases</caption><thead align="left"><tr id="drs_04_0453__row18172361412"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.1.2.2.3.1.1"><p id="drs_04_0453__p1281723171412">Source DB</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.1.2.2.3.1.2"><p id="drs_04_0453__p78192351414">Destination DB</p>
</th>
</tr>
</thead>
<tbody><tr id="drs_04_0453__row98172391416"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.1.2.2.3.1.1 "><ul id="drs_04_0453__ul2036010173919"><li id="drs_04_0453__li12961134651717">DDM instances</li></ul>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.1.2.2.3.1.2 "><ul id="drs_04_0453__ul1629884661718"><li id="drs_04_0453__en-us_topic_0000001147220024_en-us_topic_0000001102794420_li1815122916910">On-premises MySQL databases</li><li id="drs_04_0453__en-us_topic_0000001147220024_en-us_topic_0000001102794420_li138152029698">MySQL databases on an ECS</li><li id="drs_04_0453__en-us_topic_0000001147220024_en-us_topic_0000001102794420_li12815102915919">MySQL databases on other clouds</li><li id="drs_04_0453__en-us_topic_0000001147220024_en-us_topic_0000001102794420_li1581572911919">RDS for MySQL</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="drs_04_0453__section15811844192918"><h4 class="sectiontitle">Prerequisites</h4><ul id="drs_04_0453__drs_04_0102_ul12114102419446"><li id="drs_04_0453__drs_04_0102_li810113212366">You have logged in to the DRS console.</li><li id="drs_04_0453__drs_04_0102_li17365175213302">For details about the DB types and versions supported by real-time synchronization, see <a href="drs_01_0302.html">Real-Time Synchronization</a>.</li></ul>
</div>
<div class="section" id="drs_04_0453__section1113413054519"><h4 class="sectiontitle">Suggestions</h4><div class="caution" id="drs_04_0453__drs_04_0107_note148711074311"><span class="cautiontitle"><img src="public_sys-resources/caution_3.0-en-us.png"> </span><div class="cautionbody"><ul id="drs_04_0453__drs_04_0107_drs_04_0102_ul131861088439"><li id="drs_04_0453__drs_04_0107_drs_04_0102_li21868804311">When a task is being started or in the full synchronization phase, do not perform DDL operations on the source database. Otherwise, the task may be abnormal.</li><li id="drs_04_0453__drs_04_0107_drs_04_0102_li1684814724618">To keep data consistency before and after the synchronization, ensure that no data is written to the destination database during the synchronization.</li></ul>
</div></div>
<ul id="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_ul5521539113519"><li id="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_li1452113914356">The success of database synchronization depends on environment and manual operations. To ensure a smooth synchronization, perform a synchronization trial before you start the synchronization to help you detect and resolve problems in advance.</li><li id="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_li176076214115">Start your synchronization task during off-peak hours. A less active database is easier to synchronize successfully. If the data is fairly static, there is less likely to be any severe performance impacts during the synchronization.<ul id="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_ul139311128141612"><li id="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_li109313289164">If network bandwidth is not limited, the query rate of the source database increases by about 50 MB/s during full synchronization, and two to four CPUs are occupied.</li><li id="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_li1593192871614">To ensure data consistency, tables to be synchronized without a primary key may be locked for 3s.</li><li id="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_li393142812164">The data being synchronized may be locked by other transactions for a long period of time, resulting in read timeout.</li><li id="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_li16931202814169">When DRS concurrently reads data from a database, it will use about 6 to 10 sessions. The impact of the connections on services must be considered.</li><li id="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_li6931132818168">If you read a table, especially a large table, during the full migration, the exclusive lock on that table may be blocked.</li></ul>
</li><li id="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_li16745522135020">Data-Level Comparison<p id="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_p2725192712531"><a name="drs_04_0453__drs_04_0107_en-us_topic_0000001089380663_li16745522135020"></a><a name="drs_04_0107_en-us_topic_0000001089380663_li16745522135020"></a>To obtain accurate comparison results, start data comparison at a specified time point during off-peak hours. If it is needed, select <strong id="drs_04_0453__drs_04_0107_b1220091343113918">Start at a specified time</strong> for <strong id="drs_04_0453__drs_04_0107_b2003960157113918">Comparison Time</strong>. Due to slight time difference and continuous operations on data, data inconsistency may occur, reducing the reliability and validity of the comparison results.</p>
</li></ul>
</div>
<div class="section" id="drs_04_0453__section449714073815"><h4 class="sectiontitle">Precautions</h4><p id="drs_04_0453__p980823610713">Before creating a synchronization task, read the following notes:</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_04_0453__table2966162617122" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Precautions</caption><thead align="left"><tr id="drs_04_0453__row15966326161211"><th align="left" class="cellrowborder" valign="top" width="18.32%" id="mcps1.3.4.3.2.3.1.1"><p id="drs_04_0453__p89661526191219">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.67999999999999%" id="mcps1.3.4.3.2.3.1.2"><p id="drs_04_0453__p8967526131210">Restrictions</p>
</th>
</tr>
</thead>
<tbody><tr id="drs_04_0453__row3967122671219"><td class="cellrowborder" valign="top" width="18.32%" headers="mcps1.3.4.3.2.3.1.1 "><p id="drs_04_0453__p13967172616128">Database permissions</p>
</td>
<td class="cellrowborder" valign="top" width="81.67999999999999%" headers="mcps1.3.4.3.2.3.1.2 "><ul id="drs_04_0453__ul17967126121218"><li id="drs_04_0453__li1967426141219">The source database DDM account must have the SELECT permission. The physical sharded database account must have the following permissions: SELECT, SHOW VIEW, EVENT, LOCK TABLES, REPLICATION SLAVE and REPLICATION CLIENT.</li></ul>
<ul id="drs_04_0453__ul99671326161216"><li id="drs_04_0453__li39671126121210">The destination database user must have the following permissions: SELECT, CREATE, DROP, DELETE, INSERT, and UPDATE. The <strong id="drs_04_0453__b14416924541143">root</strong> account of the RDS MySQL DB instance has the preceding permissions by default.</li></ul>
</td>
</tr>
<tr id="drs_04_0453__row1967132617122"><td class="cellrowborder" valign="top" width="18.32%" headers="mcps1.3.4.3.2.3.1.1 "><p id="drs_04_0453__p19967132614128">Synchronization object</p>
</td>
<td class="cellrowborder" valign="top" width="81.67999999999999%" headers="mcps1.3.4.3.2.3.1.2 "><ul id="drs_04_0453__ul49675267126"><li id="drs_04_0453__li199686263127">Full synchronization supports the synchronization of data, table structures, and indexes.</li><li id="drs_04_0453__li17968122691210">The source database cannot contain tables whose sharding keys are timestamp.</li><li id="drs_04_0453__li12968102671216">The sharding key of the source table must be added to the primary key and unique key of the destination table, which means that the primary key and unique key columns of the destination table must contain the sharded columns of the source table to avoid data conflict and inconsistency.</li></ul>
</td>
</tr>
<tr id="drs_04_0453__row696872610129"><td class="cellrowborder" valign="top" width="18.32%" headers="mcps1.3.4.3.2.3.1.1 "><p id="drs_04_0453__p1896842618129">Source database</p>
</td>
<td class="cellrowborder" valign="top" width="81.67999999999999%" headers="mcps1.3.4.3.2.3.1.2 "><ul id="drs_04_0453__ul0968626191215"><li id="drs_04_0453__li179681726171211">During the incremental synchronization, the binlog of the source sharded database must be enabled and use the row-based format.</li><li id="drs_04_0453__li199681826141214">If the storage space is sufficient, store the source database binlog for as long as possible. The recommended retention period is three days.</li><li id="drs_04_0453__li16968112618125">During an incremental synchronization, the <strong id="drs_04_0453__b203391878141143">server_id</strong> value of the MySQL source database must be set. If the source database version is MySQL 5.6 or earlier, the <strong id="drs_04_0453__b165460735041143">server_id</strong> value ranges from <strong id="drs_04_0453__b190191431741143">2</strong> to <strong id="drs_04_0453__b126067855441143">4294967296</strong>. If the source database is MySQL 5.7 or later, the <strong id="drs_04_0453__b92013155441143">server_id</strong> value ranges from <strong id="drs_04_0453__b77490078641143">1</strong> to <strong id="drs_04_0453__b94348997741143">4294967296</strong>.</li><li id="drs_04_0453__li1796872651210">The database names and table names of the source sharding middleware cannot contain the following characters: '&lt;&gt;/\ and non-ASCII characters.</li><li id="drs_04_0453__li1996852651215">Enable <strong id="drs_04_0453__b162626256741143">skip-name-resolve</strong> for the MySQL source database to reduce the possibility of connection timeout.</li><li id="drs_04_0453__li29681261129">Enable GTID of the source database.</li></ul>
</td>
</tr>
<tr id="drs_04_0453__row15968126101216"><td class="cellrowborder" valign="top" width="18.32%" headers="mcps1.3.4.3.2.3.1.1 "><p id="drs_04_0453__p119688261123">Destination database</p>
</td>
<td class="cellrowborder" valign="top" width="81.67999999999999%" headers="mcps1.3.4.3.2.3.1.2 "><ul id="drs_04_0453__ul296815266120"><li id="drs_04_0453__li89681526131212">The destination database is an on-premises MySQL database.</li><li id="drs_04_0453__li9968326171210">The destination DB instance must have sufficient storage space.</li><li id="drs_04_0453__li1096962611128">If the destination database (excluding MySQL system database) has the same name as the source database, the table structures in the destination database must be consistent with those in the source database.</li><li id="drs_04_0453__li496919265121">The character set of the destination database must be the same as that of the source database.</li><li id="drs_04_0453__li1796912618126">The time zone of the destination database must be the same as that of the source database.</li><li id="drs_04_0453__li2969426201217">During a synchronization, a large amount of data is written to the destination database. If the value of the <strong id="drs_04_0453__b122871541241143">max_allowed_packet</strong> parameter of the destination database is too small, data cannot be written. You are advised to set the <strong id="drs_04_0453__b134229723041143">max_allowed_packet</strong> parameter to a value greater than 100 MB.</li></ul>
</td>
</tr>
<tr id="drs_04_0453__row6307043201214"><td class="cellrowborder" valign="top" width="18.32%" headers="mcps1.3.4.3.2.3.1.1 "><p id="drs_04_0453__p1430814312124">Precautions</p>
</td>
<td class="cellrowborder" valign="top" width="81.67999999999999%" headers="mcps1.3.4.3.2.3.1.2 "><ul id="drs_04_0453__ul191741793138"><li id="drs_04_0453__li14174199181313">If the data types are incompatible, the synchronization may fail.</li><li id="drs_04_0453__li171741998135">If the source database contains a duplicate primary key or unique key, the data synchronized to the destination database will be less than that in the source database. Therefore, you must check and correct the data before starting the synchronization task.</li><li id="drs_04_0453__li2017416912138">If the destination DB instance is an RDS MySQL instance, tables encrypted using Transparent Data Encryption (TDE) cannot be synchronized.</li><li id="drs_04_0453__li3491625415">If the destination MySQL database does not support TLS 1.2 or is a self-built database of an earlier version (earlier than 5.6.46 or between 5.7 and 5.7.28), you need to submit an O&amp;M application for testing the SSL connection.</li><li id="drs_04_0453__li17862132392814">The destination table can contain more columns than the source table. However, the following failures must be avoided:<ul id="drs_04_0453__ul17287327103315"><li id="drs_04_0453__li781092416334">Assume that extra columns on the destination cannot be null or have default values. If newly inserted data records are synchronized from the source to the destination, the extra columns will become null, which does not meet the requirements of the destination and will cause the task to fail.</li><li id="drs_04_0453__li2019597173512">Assume that extra columns on the destination must be fixed at a default value and have a unique constraint. If newly inserted data records are synchronized from the source to the destination, the extra columns will contain multiple default values. That does not meet the unique constraint of the destination and will cause the task to fail.</li></ul>
</li><li id="drs_04_0453__li15905125411140">Resumable upload is supported, but data may be repeatedly inserted into a table that does not have a primary key when the server system breaks down.</li><li id="drs_04_0453__li7174597136">When creating a synchronization task, do not set the destination database to read-only.</li><li id="drs_04_0453__li315669161518">After a synchronization task is created, you are not allowed to add a schema or modify the association between the old schema and a new RDS DB instance. Otherwise, the synchronization task will fail.</li><li id="drs_04_0453__li17590102313138">During synchronization, do not modify or delete the usernames, passwords, permissions, or ports of the source and destination databases.</li><li id="drs_04_0453__li14186227203211">During the synchronization, do not change the sharding key of a table on the source DDM instance, or change an unsharded or broadcast table to a sharded table, or change a sharded table to an unsharded or broadcast table.</li><li id="drs_04_0453__li16590132314134">DDL operations are not supported during synchronization.</li><li id="drs_04_0453__li1459012311316">During an incremental synchronization, do not modify the table structure to be synchronized in the source database.</li><li id="drs_04_0453__li45902234131">During an incremental synchronization, do not perform the restoration operation on the source database.</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="drs_04_0451.html">Out of the Cloud</a></div>
</div>
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</li>
<li class="ulchildlink"><strong><a href="drs_04_0446.html">From Oracle to PostgreSQL</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="drs_04_0115.html">From DDM to MySQL</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="drs_04_0465.html">From DDM to DDM</a></strong><br>
</li>
</ul>

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</tbody>
</table>
</div>
<div class="note" id="drs_06_0004__note49211654151613"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="drs_06_0004__ul14829152768"><li id="drs_06_0004__li191021261968">If a task fails to be created, DRS retains the task for three days by default. After three days, the task automatically ends.</li><li id="drs_06_0004__li18299212610">Deleted synchronization tasks are not displayed in the status list.</li></ul>
<div class="note" id="drs_06_0004__note49211654151613"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="drs_06_0004__ul14829152768"><li id="drs_06_0004__li191021261968">If a task fails to be created, DRS retains the task for three days by default. After three days, the task automatically ends.</li><li id="drs_06_0004__li7784102819527">By default, DRS retains a task in the <strong id="drs_06_0004__b192921255220">Configuration</strong> state for three days. After three days, DRS automatically deletes background resources, but the task status remains unchanged. When you reconfigure the task, DRS applies for resources for the task again.</li><li id="drs_06_0004__li18299212610">Deleted synchronization tasks are not displayed in the status list.</li><li id="drs_06_0004__li2832155421413">For a task whose source database is DDM or GaussDB Distributed,the statuses listed above mean statuses of its subtask.</li></ul>
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<ul id="drs_06_0005__drs_04_0102_ul14298153711196"><li id="drs_06_0005__drs_04_0102_li1390164719575">If the synchronization objects in source and destination databases have different names, you can map the source object name to the destination one. For details, see <a href="drs_10_0015.html">Mapping Object Names</a>.<p id="drs_06_0005__drs_04_0102_p5907922242">If the database table name contains characters other than letters, digits, and underscores (_), or the mapped database table name contains hyphens (-) and number signs (#), the name length cannot exceed 42 characters.</p>
</li><li id="drs_06_0005__drs_04_0102_li18576304557">For details about how to import an object file, see <a href="drs_10_0402.html">Importing Synchronization Objects</a>.</li></ul>
<div class="note" id="drs_06_0005__drs_04_0102_en-us_topic_0078078071_note6192135932115"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="drs_06_0005__drs_04_0102_ul12221742164912"><li id="drs_06_0005__drs_04_0102_li1422217424493">To quickly select the desired database objects, you can use the search function.</li><li id="drs_06_0005__drs_04_0102_li10940195064913">If there are changes made to the source databases or objects, click <span><img id="drs_06_0005__drs_04_0102_image20940105054917" src="en-us_image_0000001758549389.png"></span> in the upper right corner to update the objects to be synchronized.</li></ul>
<ul id="drs_06_0005__drs_04_0102_ul19601624657"><li id="drs_06_0005__drs_04_0102_li10479103119262">If the object name contains spaces, the spaces before and after the object name are not displayed. If there are multiple spaces between the object name and the object name, only one space is displayed.</li><li id="drs_06_0005__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
<ul id="drs_06_0005__drs_04_0102_ul19601624657"><li id="drs_06_0005__drs_04_0102_li10479103119262">If an object name contains spaces, the spaces before and after the object name are not displayed. If there are two or more consecutive spaces in the middle of the object name, only one space is displayed.</li><li id="drs_06_0005__drs_04_0102_li01376524218">The name of the selected synchronization object cannot contain spaces.</li></ul>
</div></div>
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</p></li><li id="drs_06_0005__drs_04_0102_li4311227118055"><span>On the <span class="uicontrol" id="drs_06_0005__drs_04_0102_uicontrol1179122184613"><b>Check Task</b></span> page, check the synchronization task.</span><p><ul id="drs_06_0005__drs_04_0102_ul4927900994415"><li id="drs_06_0005__drs_04_0102_li693508475">If any check fails, review the cause and rectify the fault. After the fault is rectified, click <strong id="drs_06_0005__drs_04_0102_b51770582543246">Check Again</strong>.</li><li id="drs_06_0005__drs_04_0102_li103321694719">If all check items are successful, click <span class="uicontrol" id="drs_06_0005__drs_04_0102_uicontrol198478198043246"><b>Next</b></span>.<div class="note" id="drs_06_0005__drs_04_0102_note9331116184719"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_06_0005__drs_04_0102_p1934716174711">You can proceed to the next step only when all checks are successful. If there are any items that require confirmation, view and confirm the details first before proceeding to the next step.</p>
</div></div>
</li></ul>
</p></li><li id="drs_06_0005__drs_04_0102_li85242059155419"><span>On the displayed page, specify <strong id="drs_06_0005__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_06_0005__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
</p></li><li id="drs_06_0005__drs_04_0102_li85242059155419"><span>On the <strong id="drs_06_0005__drs_04_0102_b12546153883410">Confirm Task </strong>page, specify <strong id="drs_06_0005__drs_04_0102_b71367442469">Start Time</strong>, confirm that the configured information is correct, and click <strong id="drs_06_0005__drs_04_0102_b9844152313486">Submit</strong> to submit the task.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="drs_06_0005__drs_04_0102_table179101030984" frame="border" border="1" rules="all"><caption><b>Table 7 </b>Task startup settings</caption><thead align="left"><tr id="drs_06_0005__drs_04_0102_row1391043015814"><th align="left" class="cellrowborder" valign="top" width="18.42%" id="mcps1.3.3.2.7.2.1.2.3.1.1"><p id="drs_06_0005__drs_04_0102_p1391015304812">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="81.58%" id="mcps1.3.3.2.7.2.1.2.3.1.2"><p id="drs_06_0005__drs_04_0102_p1911203019815">Description</p>

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<ul class="ullinks">
<li class="ulchildlink"><strong><a href="drs_03_1134.html">Editing Subscription Task Information</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="drs_03_1138.html">Modifying Connection Information</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="drs_03_0047.html">Modifying the Flow Control Mode</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="drs_03_0026.html">Editing a DR Task</a></strong><br>

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<div id="body1542872392385"><p id="drs_10_0003__p73814571231">View the information about the synchronization tasks and synchronization instances. This section describes how to view details about a synchronization task you have created.</p>
<div class="section" id="drs_10_0003__section16256919193311"><h4 class="sectiontitle">Prerequisites</h4><p id="drs_10_0003__p198941020113312">You have logged in to the DRS console.</p>
</div>
<div class="section" id="drs_10_0003__en-us_topic_0060142340_section52562732171832"><h4 class="sectiontitle">Procedure</h4><div class="note" id="drs_10_0003__note1564613569317"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_10_0003__drs_04_0005_p1613029104414">In the task list, only tasks created by the current login user are displayed. Tasks created by different users of the same tenant are not displayed.</p>
<div class="section" id="drs_10_0003__en-us_topic_0060142340_section52562732171832"><h4 class="sectiontitle">Procedure</h4><div class="note" id="drs_10_0003__note1564613569317"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="drs_10_0003__drs_04_0005_ul052814356913"><li id="drs_10_0003__drs_04_0005_li55282358911">In the task list, only tasks created by the current login user are displayed. Tasks created by different users of the same tenant are not displayed.</li><li id="drs_10_0003__drs_04_0005_li142300401791">For a task whose source database is MySQL Schema and Logic Table or DDM, the task details of each subtask contain the information about the source and destination databases corresponding to the subtask.</li></ul>
</div></div>
<ol id="drs_10_0003__ol37422375153513"><li id="drs_10_0003__li2924397143744"><span>On the <strong id="drs_10_0003__b7203124510428">Data Synchronization Management</strong> page, click the target synchronization task name in the <strong id="drs_10_0003__b2020424510422">Task Name/ID</strong> column.</span></li><li id="drs_10_0003__li50159828153513"><span>On the displayed <strong id="drs_10_0003__b1626023217445">Basic Information</strong> page, view details about the migration task.</span><p><p id="drs_10_0003__p30122674153221">You can view information about the task, synchronization instance, and synchronization.</p>
</p></li></ol>

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<a name="drs_10_0008"></a><a name="drs_10_0008"></a>
<h1 class="topictitle1">Step 3: View Synchronization Logs</h1>
<div id="body0000001226183461"><p id="drs_10_0008__p939215231197">Synchronization logs refer to the warning-, error-, and info-level logs generated during the synchronization process. This section describes how to <span class="keyword" id="drs_10_0008__keyword555893016460">view synchronization logs</span> to locate and analyze database problems.</p>
<div id="body0000001226183461"><p id="drs_10_0008__p939215231197">Synchronization logs refer to the warning-, error-, and info-level logs generated during the synchronization process. This section describes how to <span class="keyword" id="drs_10_0008__keyword968745113615">view synchronization logs</span> to locate and analyze database problems.</p>
<div class="section" id="drs_10_0008__section16256919193311"><h4 class="sectiontitle">Prerequisites</h4><p id="drs_10_0008__p198941020113312">You have logged in to the DRS console.</p>
</div>
<div class="section" id="drs_10_0008__section59386647165940"><h4 class="sectiontitle">Procedure</h4><ol id="drs_10_0008__ol37422375153513"><li id="drs_10_0008__li2924397143744"><span>On the <strong id="drs_10_0008__b12140658104512">Data Synchronization Management</strong> page, click the target synchronization task name in the <strong id="drs_10_0008__b6141175854514">Task Name/ID</strong> column.</span></li><li id="drs_10_0008__li50159828153513"><span>On the displayed page, click <span class="uicontrol" id="drs_10_0008__uicontrol463569379"><b>Synchronization Logs</b></span> to view the logs generated during the synchronization.</span><p><p id="drs_10_0008__p62874338425">You can view time, levels, and descriptions of the logs.</p>
<div class="section" id="drs_10_0008__section59386647165940"><h4 class="sectiontitle">Procedure</h4><ol id="drs_10_0008__ol37422375153513"><li id="drs_10_0008__li2924397143744"><span>On the <strong id="drs_10_0008__b15152160774">Data Synchronization Management</strong> page, click the target synchronization task name in the <strong id="drs_10_0008__b101521201772">Task Name/ID</strong> column.</span></li><li id="drs_10_0008__li50159828153513"><span>On the displayed page, click <span class="uicontrol" id="drs_10_0008__uicontrol463569379"><b>Synchronization Logs</b></span> to view the logs generated during the synchronization.</span><p><p id="drs_10_0008__p62874338425">You can view time, levels, and descriptions of the logs.</p>
<div class="note" id="drs_10_0008__note13471925173613"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="drs_10_0008__p16802826113620">For a task whose source database is DDM, you can view the migration logs in each subtask.</p>
</div></div>
</p></li></ol>
</div>
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<h1 class="topictitle1">Importing Synchronization Objects</h1>
<div id="body0000001179910587"><p id="drs_10_0402__p8060118">Real-time synchronization supports the import of objects through files. After a task is created, you can import object files on the <strong id="drs_10_0402__b18870191561411">Set Synchronization Task</strong> page. </p>
<div class="note" id="drs_10_0402__note20738054164915"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="drs_10_0402__ul127396547493"><li id="drs_10_0402__li3739354114910">Only Windows Microsoft Excel 97-2003 (*.xls), 2007, and later (*.xlsx) files can be imported. The downloaded compressed package provides the templates of the two versions.</li><li id="drs_10_0402__li187396541499">The file name can contain only spaces, letters, digits, hyphens (-), underscores (_), and parentheses.</li><li id="drs_10_0402__li17739135404918">The format of the object information in the template must meet the Excel file requirements. The database object names (such as the database name, schema name, or table name) in the file is case-sensitive and cannot include angle brackets (&lt;&gt;), periods (.), double quotation marks ("), and cannot start or end with a space.</li><li id="drs_10_0402__li18712125253815">The task in the configuration supports table-level synchronization, database-level synchronization, or file import mode. Each time you switch to a new mode, the selected or imported database objects are cleared, and you need to select or import them again.</li><li id="drs_10_0402__li13739135413497">If you want to import a file for mapping, fill in the first and second columns of the file based on the template. If the first two columns of a row are left blank, the row will be ignored.</li><li id="drs_10_0402__li273945410490">For the task created using the file import mode, database-level and table-level synchronization are not supported after the task is started.</li><li id="drs_10_0402__li1115903383917">If you edit a task, the imported file must contain information about all objects. Importing only the updated objects is not allowed.</li><li id="drs_10_0402__li55413509402">If you edit a task again, the objects that have been synchronized cannot be mapped again. Ensure that the object names remain unchanged after the mapping.</li><li id="drs_10_0402__li1775210543915">If you edit a task again, the exported object information is the synchronized object information.</li><li id="drs_10_0402__li257442984313">If the verification fails after the file is uploaded, click <strong id="drs_10_0402__b1754362231517">View Failure Details</strong> to download the error information.</li><li id="drs_10_0402__li1581212421300">The object names entered in the Excel file must use the same letter case as the source object names.</li></ul>
<div class="note" id="drs_10_0402__note20738054164915"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="drs_10_0402__ul127396547493"><li id="drs_10_0402__li3739354114910">Only Windows Microsoft Excel 97-2003 (*.xls) and 2007 and later (*.xlsx) files can be imported. The downloaded compressed package provides the templates of the two versions.</li><li id="drs_10_0402__li187396541499">The file name can contain only spaces, letters, digits, hyphens (-), underscores (_), and parentheses.</li><li id="drs_10_0402__li17739135404918">The format of the object information in the template must meet the Excel file requirements. The database object names (such as the database name, schema name, or table name) in the file is case-sensitive and cannot include angle brackets (&lt;&gt;), periods (.), double quotation marks ("), and cannot start or end with a space.</li><li id="drs_10_0402__li18712125253815">The task in the configuration supports table-level synchronization, database-level synchronization, or file import mode. Each time you switch to a new mode, the selected or imported database objects are cleared, and you need to select or import them again.</li><li id="drs_10_0402__li13739135413497">If you want to import a file for mapping, fill in the first and second columns of the file based on the template. If the first two columns of a row are left blank, the row will be ignored.</li><li id="drs_10_0402__li273945410490">For the task created using the file import mode, database-level and table-level synchronization are not supported after the task is started.</li><li id="drs_10_0402__li1115903383917">If you edit a task, the imported file must contain information about all objects. Importing only the updated objects is not allowed.</li><li id="drs_10_0402__li55413509402">If you edit a task again, the objects that have been synchronized cannot be mapped again. Ensure that the object names remain unchanged after the mapping.</li><li id="drs_10_0402__li1775210543915">If you edit a task again, the exported object information is the synchronized object information.</li><li id="drs_10_0402__li257442984313">If the verification fails after the file is uploaded, click <strong id="drs_10_0402__b1754362231517">View Failure Details</strong> to download the error information.</li><li id="drs_10_0402__li1581212421300">The object names entered in the Excel file must use the same letter case as the source object names.</li></ul>
</div></div>
<div class="section" id="drs_10_0402__section756393912287"><h4 class="sectiontitle">Procedure</h4><ol id="drs_10_0402__ol7492647102917"><li id="drs_10_0402__li1049214718292"><span>On the <strong id="drs_10_0402__b16405351181511">Set Synchronization Task</strong> page, click <span class="uicontrol" id="drs_10_0402__uicontrol948819546433"><b>Import object file</b></span> in the <strong id="drs_10_0402__b2261154371611">Synchronization Object</strong> field.</span></li><li id="drs_10_0402__li3230853114618"><span>Click <strong id="drs_10_0402__b1277027383111229">Download Template</strong>.</span></li><li id="drs_10_0402__li13532958174615"><span>Download the template and enter information about the objects to be imported.</span></li><li id="drs_10_0402__li16984826478"><span>Click <strong id="drs_10_0402__b1835423648111229">Select File</strong>. In the displayed dialog box, select the edited template.</span></li><li id="drs_10_0402__li2050112815471"><span>Click <strong id="drs_10_0402__b1293077205111229">Upload</strong>.</span><p><p id="drs_10_0402__p1395839184717"></p>
</p></li></ol>

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<ul class="ullinks">
<li class="ulchildlink"><strong><a href="drs_04_0088.html">From MySQL to MySQL</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="drs_04_0089.html">From MySQL to DDM</a></strong><br>
</li>
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