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das_umn

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Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: wangdengke2 <wangdengke2@huawei.com>
Co-committed-by: wangdengke2 <wangdengke2@huawei.com>
This commit is contained in:
Wang , Deng Ke
2025-07-16 11:51:16 +00:00
committed by zuul
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</li>
<li class="ulchildlink"><strong><a href="das_01_0008.html">Advantages</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_01_0012.html">Permissions Management</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_01_0004.html">DAS and Other Services</a></strong><br>
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<h1 class="topictitle1">What Is Data Admin Service?</h1>
<div id="body1508830990967"><p id="das_01_0002__p4981175485915">Data Admin Service (DAS) is a one-stop cloud database management platform that allows you to manage databases on a web console. It offers database development, O&amp;M, intelligent diagnosis, and enterprise-level DevOps, making it easy to use and maintain your databases. DAS provides a best-in-class experience. With it, you do not need to install a local client for visualized operations. In addition, diverse database development functions are available, including data and table structure synchronization, online editing, and intelligent prompts for SQL input.</p>
<div id="body1508830990967"><p id="das_01_0002__p89861225161910">Data Admin Service (DAS) is a web service that allows you to log in to and perform operations on databases.</p>
<ul id="das_01_0002__ul17919169142017"><li id="das_01_0002__li20294631195316">DAS provides a one-stop management platform for cloud database development.</li><li id="das_01_0002__li1891916913202">DAS manages DB instances on a web console, making work easy, secure, and intelligent.</li></ul>
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<h1 class="topictitle1">Basic Concepts</h1>
<div id="body1481013440635"><div class="section" id="das_01_0005__section83635424598"><h4 class="sectiontitle">Connection Address</h4><p id="das_01_0005__p595214611593">An IP address, which is used for the DAS service to connect to databases.</p>
<div id="body1481013440635"><div class="section" id="das_01_0005__section19774657164618"><h4 class="sectiontitle">Metadata Collection</h4><p id="das_01_0005__p4998142592419">DAS originally allowed you to query metadata of databases, tables, and fields in each instance, but now it can also periodically collect metadata and store it in the DAS database.</p>
</div>
<div class="section" id="das_01_0005__section1993102613181"><h4 class="sectiontitle">Selecting an AZ</h4><div class="p" id="das_01_0005__p0931026141814">When determining whether to deploy resources in the same AZ, consider your applications' requirements on disaster recovery (DR) and network latency.<ul id="das_01_0005__ul69312651818"><li id="das_01_0005__li109372681819">For robust DR, deploy clusters in different AZs within the same region.</li><li id="das_01_0005__li3931726161814">For lower network latency, deploy resources in the same AZ.</li></ul>
</div>
<div class="section" id="das_01_0005__section19774657164618"><h4 class="sectiontitle">Metadata Collection</h4><p id="das_01_0005__p4998142592419">DAS periodically collects the metadata of DB instance databases, tables, and fields and stores the collected data in the DAS database.</p>
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<h1 class="topictitle1">Advantages</h1>
<div id="body1523189269721"><p id="das_01_0008__p11560115201610">DAS supports different types of DB instances, such as GaussDB(for openGauss), GaussDB(for MySQL), and GaussDB(for Cassandra). It provides visual GUI operations, making your database management easy and efficient.</p>
<div class="section" id="das_01_0008__section13743025318"><h4 class="sectiontitle">Anytime, Anywhere</h4><p id="das_01_0008__p0485182142310">A DAS web console frees you from installing clients locally and supports access anytime, anywhere.</p>
<div id="body1523189269721"><div class="section" id="das_01_0008__section13743025318"><h4 class="sectiontitle">Anytime, Anywhere</h4><p id="das_01_0008__p0485182142310">The DAS web console means there is no need to install clients locally and you can access your databases anytime, from anywhere.</p>
</div>
<div class="section" id="das_01_0008__section15988324314"><h4 class="sectiontitle">Kernel Source Code Optimization</h4><p id="das_01_0008__p187831522202418">The kernel is optimized and enhanced to support functions such as emergent database O&amp;M and SQL explorer, to resolve O&amp;M pain points.</p>
<div class="section" id="das_01_0008__section4171015414"><h4 class="sectiontitle">Secure Operations</h4><p id="das_01_0008__p05701257259">Built-in security systems protect your databases so you can worry less about security and stay focused on operations. For example, when you execute a slow SQL statement, DAS automatically triggers a timeout mechanism to protect databases from jitter.</p>
</div>
<div class="section" id="das_01_0008__section4171015414"><h4 class="sectiontitle">Secure Operations</h4><p id="das_01_0008__p05701257259">Built-in security mechanisms guarantee stability of your databases so you can worry less about security and stay focused on operations. For example, if a user executes a slow SQL statement, DAS automatically uses a timeout mechanism to protect databases against jitter caused by long execution time.</p>
</div>
<div class="section" id="das_01_0008__section161006246512"><h4 class="sectiontitle">Robust Features</h4><p id="das_01_0008__p4781181915271">With DAS, a wide range of features are available for you to choose from, such as binlog-based data tracking and rollback, SQL statement diagnosis, scheduled SQL task execution, up to 10 GB SQL file import and export, and cross-instance database table structure synchronization. DAS, currently, supports only GaussDB(for openGauss) databases.</p>
<div class="section" id="das_01_0008__section161006246512"><h4 class="sectiontitle">Robust Features</h4><p id="das_01_0008__p73211817214">DAS provides a wide range of features, such as scheduled SQL execution, import and export of up to 1 GB of data, and table structure synchronization across instances.</p>
</div>
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<h1 class="topictitle1">Logging In to a DB Instance</h1>
<div id="body0000001584077480"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="das_01_2100.html">Logging In to a DB Instance</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_login_0001.html">Logging In to a DB Instance Shared by Others</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_01_2110.html">Enabling Multifactor Authentication for Critical Operations</a></strong><br>
</li>
</ul>
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<h1 class="topictitle1">Logging In to a DB Instance</h1>
<div id="body0000001704209622"><p id="das_01_2100__p12376950204911">This section describes how to log in to a DB instance on DAS.</p>
<p id="das_01_2100__p1041183719592">After a DB instance is created, DAS automatically creates login information for an administrator.</p>
<p id="das_01_2100__p156001321205014">If you want to use a non-administrator account to log in to the DB instance, you need to create a DB instance login first. For details, see <a href="#das_01_2100__section12227732105612">Configuring Login Information</a>.</p>
<div class="section" id="das_01_2100__section114431620185215"><h4 class="sectiontitle">Usage Notes</h4><ul id="das_01_2100__ul192171465211"><li id="das_01_2100__li49510376556">RDS for MySQL and DDM instances are supported.</li><li id="das_01_2100__li159215146524">The created DB instance and DAS must be in the same region.</li></ul>
</div>
<div class="section" id="das_01_2100__section5378793597"><h4 class="sectiontitle">Logging In to a DB Instance</h4><ol id="das_01_2100__ol04911352237"><li id="das_01_2100__li13318412372"><span>Log in to the OTC console.</span></li><li id="das_01_2100__li01942048112216"><span>Click <span><img id="das_01_2100__das_03_0002_image1391152918393" src="en-us_image_0000001694653209.png"></span> in the upper left corner and select a region and project.</span></li><li id="das_01_2100__li6194144862210"><span>Click <span><img id="das_01_2100__das_03_0002_image116226131407" src="en-us_image_0000001694653201.png"></span> in the upper left corner, and under <strong id="das_01_2100__das_03_0002_b59651260454">Databases</strong>, click <strong id="das_01_2100__das_03_0002_b14966172614457">Data Admin Service</strong>.</span></li><li id="das_01_2100__li28485511417"><span>In the navigation pane on the left, choose <strong id="das_01_2100__das_03_0002_b7702104111465">Development Tool</strong>.</span></li><li id="das_01_2100__li114913357231"><span>Locate the target DB instance and click <span class="uicontrol" id="das_01_2100__uicontrol286214257246"><b>Log In</b></span> in the <strong id="das_01_2100__b28621525192412">Operation</strong> column.</span><p><p id="das_01_2100__p2081815321019">You need to enter the password at the first login. If <strong id="das_01_2100__b1055032102410">Remember Password</strong> is selected at the first login, you do not need to enter the password again at subsequent logins.</p>
</p></li></ol>
</div>
<div class="section" id="das_01_2100__section12227732105612"><a name="das_01_2100__section12227732105612"></a><a name="section12227732105612"></a><h4 class="sectiontitle">Configuring Login Information</h4><ol id="das_01_2100__ol16873134914510"><li id="das_01_2100__li205841559220"><span>Log in to the OTC console.</span></li><li id="das_01_2100__li16323541123816"><span>Click <span><img id="das_01_2100__image1391152918393" src="en-us_image_0000001752041285.png"></span> in the upper left corner and select a region and project.</span></li><li id="das_01_2100__li1941754343912"><span>Click <span><img id="das_01_2100__image116226131407" src="en-us_image_0000001704241568.png"></span> in the upper left corner, and under <strong id="das_01_2100__b14293124518277">Databases</strong>, click <strong id="das_01_2100__b62931245172717">Data Admin Service</strong>.</span></li><li id="das_01_2100__li168343183415"><span>In the navigation pane on the left, choose <strong id="das_01_2100__b52295012286">Development Tool</strong>.</span></li><li id="das_01_2100__li98699232543"><span>On the <strong id="das_01_2100__b849916489020">My DB Instance Connections</strong> tab page, click <strong id="das_01_2100__b141166115287">Add DB Instance Connection</strong>.</span></li><li id="das_01_2100__li946121155013"><span>Configure parameters for the new DB instance connection.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_01_2100__table191821017514" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Description</caption><thead align="left"><tr id="das_01_2100__row131831165115"><th align="left" class="cellrowborder" valign="top" width="22.16%" id="mcps1.3.6.2.6.2.1.2.4.1.1"><p id="das_01_2100__p51831415512">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40.739999999999995%" id="mcps1.3.6.2.6.2.1.2.4.1.2"><p id="das_01_2100__p1718312175115">Description</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="37.1%" id="mcps1.3.6.2.6.2.1.2.4.1.3"><p id="das_01_2100__p31332597537">Example Value</p>
</th>
</tr>
</thead>
<tbody><tr id="das_01_2100__row91831015514"><td class="cellrowborder" valign="top" width="22.16%" headers="mcps1.3.6.2.6.2.1.2.4.1.1 "><p id="das_01_2100__p818317165119">DB Engine</p>
</td>
<td class="cellrowborder" valign="top" width="40.739999999999995%" headers="mcps1.3.6.2.6.2.1.2.4.1.2 "><p id="das_01_2100__p111838145110">DB engine for the instance that you want to add login information for.</p>
</td>
<td class="cellrowborder" valign="top" width="37.1%" headers="mcps1.3.6.2.6.2.1.2.4.1.3 "><p id="das_01_2100__p13133459195310">MySQL</p>
</td>
</tr>
<tr id="das_01_2100__row1518312110517"><td class="cellrowborder" valign="top" width="22.16%" headers="mcps1.3.6.2.6.2.1.2.4.1.1 "><p id="das_01_2100__p5183613512">Source Database</p>
</td>
<td class="cellrowborder" valign="top" width="40.739999999999995%" headers="mcps1.3.6.2.6.2.1.2.4.1.2 "><p id="das_01_2100__p152125716272">The source database depends on the DB engine that you select.</p>
<p id="das_01_2100__p0133103033016">After you select a source database, all instances of the current type under your account are displayed. You can select the instance that you want to add a login for.</p>
<p id="das_01_2100__p67061810319">The following types of source databases are supported:</p>
<ul id="das_01_2100__ul107658352517"><li id="das_01_2100__li179731397253">RDS</li><li id="das_01_2100__li1772313523509">DDM</li></ul>
</td>
<td class="cellrowborder" valign="top" width="37.1%" headers="mcps1.3.6.2.6.2.1.2.4.1.3 "><p id="das_01_2100__p9133159145316">RDS</p>
</td>
</tr>
<tr id="das_01_2100__row17183171165116"><td class="cellrowborder" valign="top" width="22.16%" headers="mcps1.3.6.2.6.2.1.2.4.1.1 "><p id="das_01_2100__p14183211519">Login Username</p>
</td>
<td class="cellrowborder" valign="top" width="40.739999999999995%" headers="mcps1.3.6.2.6.2.1.2.4.1.2 "><p id="das_01_2100__p16119059786">Username for logging in to the selected DB instance.</p>
<p id="das_01_2100__p318316110514">The user must have the permission to allow DAS to access the selected DB instance using an IP address.</p>
</td>
<td class="cellrowborder" valign="top" width="37.1%" headers="mcps1.3.6.2.6.2.1.2.4.1.3 "><p id="das_01_2100__p1813316592538">root</p>
</td>
</tr>
<tr id="das_01_2100__row1183417518"><td class="cellrowborder" valign="top" width="22.16%" headers="mcps1.3.6.2.6.2.1.2.4.1.1 "><p id="das_01_2100__p141837113516">Password</p>
</td>
<td class="cellrowborder" valign="top" width="40.739999999999995%" headers="mcps1.3.6.2.6.2.1.2.4.1.2 "><p id="das_01_2100__p91832155115">Password for logging in to the selected DB instance.</p>
<p id="das_01_2100__p188637191514">You can select <strong id="das_01_2100__b20280023123311">Remember Password</strong>. With this function enabled, you do not need to enter the password when you want to log in to the DB instance later.</p>
</td>
<td class="cellrowborder" valign="top" width="37.1%" headers="mcps1.3.6.2.6.2.1.2.4.1.3 "><p id="das_01_2100__p19133659155313">-</p>
</td>
</tr>
<tr id="das_01_2100__row6387224523"><td class="cellrowborder" valign="top" width="22.16%" headers="mcps1.3.6.2.6.2.1.2.4.1.1 "><p id="das_01_2100__p73882219520">Description</p>
</td>
<td class="cellrowborder" valign="top" width="40.739999999999995%" headers="mcps1.3.6.2.6.2.1.2.4.1.2 "><p id="das_01_2100__p173888215210">This parameter is optional.</p>
</td>
<td class="cellrowborder" valign="top" width="37.1%" headers="mcps1.3.6.2.6.2.1.2.4.1.3 "><p id="das_01_2100__p201332598539">-</p>
</td>
</tr>
<tr id="das_01_2100__row1462661116525"><td class="cellrowborder" valign="top" width="22.16%" headers="mcps1.3.6.2.6.2.1.2.4.1.1 "><p id="das_01_2100__p362691175212">Show Executed SQL Statements</p>
</td>
<td class="cellrowborder" valign="top" width="40.739999999999995%" headers="mcps1.3.6.2.6.2.1.2.4.1.2 "><p id="das_01_2100__p193322123419">If this function is enabled, all the SQL statements executed in the SQL window will be saved.</p>
<p id="das_01_2100__p979113311123">You are advised to enable <strong id="das_01_2100__b10752103045112">Show Executed SQL Statements</strong>. With it enabled, you can choose <strong id="das_01_2100__b1795358152119">SQL Operations</strong> &gt; <strong id="das_01_2100__b1856818213221">SQL History</strong> to see what SQL statements you have executed and can re-execute any executed SQL statements rather than entering them again.</p>
</td>
<td class="cellrowborder" valign="top" width="37.1%" headers="mcps1.3.6.2.6.2.1.2.4.1.3 "><p id="das_01_2100__p1713318592534">Enabled</p>
</td>
</tr>
</tbody>
</table>
</div>
</p></li><li id="das_01_2100__li4521819161619"><span>After the DB instance information is configured, click <strong id="das_01_2100__b92051526173416">Test Connection</strong> on the right of the password text box.</span><p><ul id="das_01_2100__ul103571647191710"><li id="das_01_2100__li11357154714177">If the connection test is successful, go to <a href="#das_01_2100__li77831545112">8</a>.</li><li id="das_01_2100__li71301818101814">If a message is displayed indicating a connection test failure and failure causes, modify DB instance information based on the message and then go to <a href="#das_01_2100__li77831545112">8</a>.</li></ul>
</p></li><li id="das_01_2100__li77831545112"><a name="das_01_2100__li77831545112"></a><a name="li77831545112"></a><span>After the connection test is successful, click <strong id="das_01_2100__b510183613345">OK</strong>.</span></li><li id="das_01_2100__li1713811368517"><span>On the <strong id="das_01_2100__b549578148">My DB Instance Connections</strong> tab page, view information about the new DB instance connection.</span><p><p id="das_01_2100__p1392111409815">You can also click <span class="uicontrol" id="das_01_2100__uicontrol18846165761910"><b>Modify</b></span> in the <strong id="das_01_2100__b1484615711914">Operation</strong> column to modify the instance login information, or click <span class="uicontrol" id="das_01_2100__uicontrol2846857171915"><b>Delete</b></span> to delete unnecessary instance login information.</p>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_01_1002.html">Logging In to a DB Instance</a></div>
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<h1 class="topictitle1">Logging In to a DB Instance Shared by Others</h1>
<div id="body0000001703672828"><p id="das_01_2102__p789016280255">This section describes how to log in to a DB Instance shared by others.</p>
<p id="das_01_2102__p138610173598"></p>
<ol id="das_01_2102__ol2040812477327"><li id="das_01_2102__li13318412372"><span>Log in to the OTC console as an IAM user.</span></li><li id="das_01_2102__li1440904716327"><span>Click <span><img id="das_01_2102__das_03_0002_image1391152918393" src="en-us_image_0000001694653209.png"></span> in the upper left corner and select a region and project.</span></li><li id="das_01_2102__li34091247163212"><span>Click <span><img id="das_01_2102__das_03_0002_image116226131407" src="en-us_image_0000001694653201.png"></span> in the upper left corner, and under <strong id="das_01_2102__das_03_0002_b59651260454">Databases</strong>, click <strong id="das_01_2102__das_03_0002_b14966172614457">Data Admin Service</strong>.</span></li><li id="das_01_2102__li3409124793215"><span>In the navigation pane on the left, choose <strong id="das_01_2102__das_03_0002_b7702104111465">Development Tool</strong>.</span></li><li id="das_01_2102__li1040911473323"><span>Click the <span class="uicontrol" id="das_01_2102__uicontrol69851936133012"><b>DB Instance Connections Shared by Others</b></span> tab.</span></li><li id="das_01_2102__li28101407338"><span>Locate the DB instance that you want to log in to and click <span class="uicontrol" id="das_01_2102__uicontrol10158202517323"><b>Log In</b></span> in the <strong id="das_01_2102__b1158025133217">Operation</strong> column.</span></li></ol>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_login_0001.html">Logging In to a DB Instance Shared by Others</a></div>
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<h1 class="topictitle1">Enabling Multifactor Authentication for Critical Operations</h1>
<div id="body0000002338931505"><p id="das_01_2110__p12376950204911">This section describes how to enable and use multifactor authentication for critical operations.</p>
<div class="section" id="das_01_2110__section4402085920"><h4 class="sectiontitle">Procedure</h4><ol id="das_01_2110__ol119950297573"><li id="das_01_2110__li13318412372"><span>Log in to the OTC console.</span></li><li id="das_01_2110__li16323541123816"><span>Click <span><img id="das_01_2110__image1391152918393" src="en-us_image_0000002305317006.png"></span> in the upper left corner and select a region and project.</span></li><li id="das_01_2110__li1941754343912"><span>Click <span><img id="das_01_2110__image116226131407" src="en-us_image_0000002305157322.png"></span> in the upper left corner, and under <strong id="das_01_2110__b1717811461412">Databases</strong>, click <strong id="das_01_2110__b15178154634119">Data Admin Service</strong>.</span></li><li id="das_01_2110__li168343183415"><span>In the navigation pane, choose <strong id="das_01_2110__b13799281425">Development Tool</strong>.</span></li><li id="das_01_2110__li68331343135714"><span>On the <strong id="das_01_2110__b1069141134713">Development Tool</strong> page, enable <strong id="das_01_2110__b148655812474">Multifactor Authentication for Critical Operations</strong>.</span><p><div class="fignone" id="das_01_2110__fig1943517320307"><span class="figcap"><b>Figure 1 </b>Enabling the function</span><br><span><img id="das_01_2110__image1435132193017" src="en-us_image_0000002346986173.png"></span></div>
<div class="p" id="das_01_2110__p11399175362114">When you hover the pointer over the switch, its function description is displayed. This switch is available only for your domain account.<div class="fignone" id="das_01_2110__fig153081561307"><span class="figcap"><b>Figure 2 </b>Modifying the switch</span><br><span><img id="das_01_2110__image18308556193019" src="en-us_image_0000002313027352.png"></span></div>
</div>
</p></li><li id="das_01_2110__li1511524812417"><span>Follow the on-screen instructions to enable operation protection. Multifactor authentication for critical operations takes effect only when both <strong id="das_01_2110__b08571123135816">Multifactor Authentication for Critical Operations</strong> on DAS and <strong id="das_01_2110__b8196156594">Operation Protection</strong> for critical operations on IAM are enabled.</span><p><div class="fignone" id="das_01_2110__fig18966583310"><span class="figcap"><b>Figure 3 </b>Operation protection</span><br><span><img id="das_01_2110__image5966128153114" src="en-us_image_0000002346946481.png"></span></div>
</p></li><li id="das_01_2110__li1250942783517"><span>After this function is enabled, you will be authenticated when logging in to a DB instance from Development Tool on DAS.</span><p><div class="fignone" id="das_01_2110__fig19898145817382"><span class="figcap"><b>Figure 4 </b>Confirm</span><br><span><img id="das_01_2110__image18898185883817" src="en-us_image_0000002305313278.png"></span></div>
<p id="das_01_2110__p57885315391">If this function is not required, disable it on the <strong id="das_01_2110__b1414613421320">Development Tool</strong> page of DAS.</p>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_01_1002.html">Logging In to a DB Instance</a></div>
</div>
</div>

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<h1 class="topictitle1">Getting Started</h1>
<div id="body1602471999448"></div>
<div id="body8662426"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="das_02_0002.html">Intelligent O&amp;M</a></strong><br>
<li class="ulchildlink"><strong><a href="das_02_0002.html">Logging In to a DB Instance</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_02_0006.html">Data Management</a></strong><br>
<li class="ulchildlink"><strong><a href="das_02_0012.html">Managing Databases</a></strong><br>
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</ul>
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<h1 class="topictitle1">Intelligent O&amp;M</h1>
<div id="body1602472381090"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="das_02_0003.html">Overview</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_02_0004.html">Step 1: Log In to DAS</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_02_0005.html">Step 2: Switch to Intelligent O&amp;M</a></strong><br>
</li>
</ul>
<h1 class="topictitle1">Logging In to a DB Instance</h1>
<div id="body8662426"><p id="das_02_0002__p1041761817407">This section describes how to log in to a DB instance.</p>
<div class="section" id="das_02_0002__en-us_topic_0000001165718067_section2487181111813"><h4 class="sectiontitle">Usage Notes</h4><p id="das_02_0002__p1748010504119">The following DB instances are supported:</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_02_0002__table2449453114320" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Supported DB instances</caption><thead align="left"><tr id="das_02_0002__row1744935320437"><th align="left" class="cellrowborder" valign="top" width="30.97%" id="mcps1.3.2.3.2.3.1.1"><p id="das_02_0002__p444945310437"><strong id="das_02_0002__b6623184224512">DB Instance Source</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="69.03%" id="mcps1.3.2.3.2.3.1.2"><p id="das_02_0002__p2449653154314">Supported DB Engine</p>
</th>
</tr>
</thead>
<tbody><tr id="das_02_0002__row8449135354312"><td class="cellrowborder" valign="top" width="30.97%" headers="mcps1.3.2.3.2.3.1.1 "><p id="das_02_0002__p17449135319436">DB instance</p>
</td>
<td class="cellrowborder" valign="top" width="69.03%" headers="mcps1.3.2.3.2.3.1.2 "><ul id="das_02_0002__ul6678183304811"><li id="das_02_0002__li267843314489">RDS for MySQL</li></ul>
<ul id="das_02_0002__ul490224245018"><li id="das_02_0002__li1772313523509">DDM</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
<ul id="das_02_0002__ul197371121164116"><li id="das_02_0002__li142113331531">The account used to create the current DB instance and the login account belong to the same account.</li><li id="das_02_0002__li159215146524">The created DB instance and DAS must be in the same region.</li></ul>
</div>
<div class="section" id="das_02_0002__en-us_topic_0000001165718067_section399017503162"><h4 class="sectiontitle">Logging In to a DB Instance</h4><p id="das_02_0002__p1684014116201">This section describes how to log in to a DB instance. After a DB instance is created, DAS automatically creates login information for an administrator.</p>
<ol id="das_02_0002__ol04911352237"><li id="das_02_0002__li16477124084014"><span>Log in to the OTC console.</span></li><li id="das_02_0002__li01942048112216"><span>Click <span><img id="das_02_0002__das_03_0002_image1391152918393" src="en-us_image_0000001694653209.png"></span> in the upper left corner and select a region and project.</span></li><li id="das_02_0002__li6194144862210"><span>Click <span><img id="das_02_0002__das_03_0002_image116226131407" src="en-us_image_0000001694653201.png"></span> in the upper left corner, and under <strong id="das_02_0002__das_03_0002_b59651260454">Databases</strong>, click <strong id="das_02_0002__das_03_0002_b14966172614457">Data Admin Service</strong>.</span></li><li id="das_02_0002__li28485511417"><span>In the navigation pane on the left, choose <strong id="das_02_0002__das_03_0002_b7702104111465">Development Tool</strong>.</span></li><li id="das_02_0002__li114913357231"><span>Locate the target DB instance and click <span class="uicontrol" id="das_02_0002__uicontrol18431143317184"><b>Log In</b></span> in the <strong id="das_02_0002__b74311133111814">Operation</strong> column.</span><p><p id="das_02_0002__p2081815321019">You need to enter the password at the first login. If <strong id="das_02_0002__b8376174752">Remember Password</strong> is selected at the first login, you do not need to enter the password again at subsequent logins.</p>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0000.html">Getting Started</a></div>
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<h1 class="topictitle1">Overview</h1>
<div id="body1602474188722"><div class="section" id="das_02_0003__section159564611233"><h4 class="sectiontitle">Scenarios</h4><p id="das_02_0003__p549241782515"></p>
<p id="das_02_0003__p17133173362012">This section describes how to monitor DB instances using Intelligent O&amp;M.</p>
</div>
<div class="section" id="das_02_0003__section491834114289"><h4 class="sectiontitle">Procedure</h4><p id="das_02_0003__p12120114172918">Perform the following operations to monitor databases with Intelligent O&amp;M.</p>
<p id="das_02_0003__p756352113272"><a href="das_02_0004.html">Step 1: Log In to DAS</a></p>
<p id="das_02_0003__p1356412142711"><a href="das_02_0005.html">Step 2: Switch to Intelligent O&amp;M</a></p>
<div class="fignone" id="das_02_0003__fig498610364514"><span class="figcap"><b>Figure 1 </b>Intelligent O&amp;M process</span><br><span><img class="eddx" id="das_02_0003__image1448168174213" src="en-us_image_0000001388191653.png"></span></div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0002.html">Intelligent O&amp;M</a></div>
</div>
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<h1 class="topictitle1">Step 1: Log In to DAS</h1>
<div id="body1602474188722"><div class="section" id="das_02_0004__section1999419268388"><h4 class="sectiontitle">Procedure</h4><ol id="das_02_0004__ol3408152913530"><li id="das_02_0004__li1087344912452"><span>On the login page, enter the account and password to log in to the DAS console.</span></li><li id="das_02_0004__li16874849154518"><span>Click <span><img id="das_02_0004__image187519493456" src="en-us_image_0000001387911589.png"></span> in the upper left corner and select the required region and project.</span></li><li id="das_02_0004__li19015538311"><span>Click <span><img id="das_02_0004__image96758393138" src="en-us_image_0000001337591616.png"></span> in the upper left corner, and under <strong id="das_02_0004__b2770834102413">Database</strong>, click <strong id="das_02_0004__b1077143472412">Data Admin Service</strong>.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0002.html">Intelligent O&amp;M</a></div>
</div>
</div>

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<h1 class="topictitle1">Step 2: Switch to Intelligent O&amp;M</h1>
<div id="body1602474188722"><div class="section" id="das_02_0005__section6154102194111"><h4 class="sectiontitle">Procedure</h4><ol id="das_02_0005__ol1719683320393"><li id="das_02_0005__li9196833153913"><span>In the navigation pane, choose <strong id="das_02_0005__b11538163620146">Intelligent O&amp;M</strong>, on the <strong id="das_02_0005__b191371652151414">Instance Overview</strong> page, click <strong id="das_02_0005__b1549695113442">Synchronize Instances</strong> and then click <strong id="das_02_0005__b201111194610">Refresh</strong>.</span><p><div class="note" id="das_02_0005__note19190857101712"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_02_0005__p1319017577172">Instance synchronization is an asynchronous process, which takes several minutes.</p>
</div></div>
</p></li><li id="das_02_0005__li1348642954119"><span>Locate the instance you want to view and click <strong id="das_02_0005__b176910196165">Details</strong>.</span><p><div class="note" id="das_02_0005__note14254182016347"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_02_0005__p10254192015341">This section uses SQL Explorer as an example. For details about how to use each metric, see "Intelligent O&amp;M for RDS for MySQL".</p>
</div></div>
</p></li><li id="das_02_0005__li2919192914610"><span>On the displayed page, choose <strong id="das_02_0005__b737515113192">SQL</strong> &gt; <strong id="das_02_0005__b10869125819184">SQL Explorer</strong>.</span><p><div class="note" id="das_02_0005__note11118105511572"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_02_0005__ul13168191365915"><li id="das_02_0005__li1116891345915"><strong id="das_02_0005__b1356233731915">Enable DAS SQL Explorer</strong> must be enabled so that the system can collect and analyze full SQL statements.</li><li id="das_02_0005__li516811316598">With <strong id="das_02_0005__b19987522155820">Enable DAS SQL Explorer</strong> enabled, the instance performance loss is within 5%.</li></ul>
</div></div>
</p></li><li id="das_02_0005__li1314216592544"><span>Click the <strong id="das_02_0005__b11766743152415">SQL Statements</strong> tab.</span><p><div class="note" id="das_02_0005__note737441217569"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_02_0005__ul1871413327313"><li id="das_02_0005__li2071412321935">A maximum of 10,000 data records can be displayed on the <strong id="das_02_0005__b114114140309">SQL Statements</strong> tab page. To view more records, export the records for view. Columns such as execution duration, elapsed time, scanned rows, and lock wait are also provided. Additionally, SQL statements can be searched by multiple dimensions, including keyword, time range, and number of updated rows.</li><li id="das_02_0005__li9874181592418">To view more records, click <span class="uicontrol" id="das_02_0005__uicontrol1188313151244"><b>Export</b></span> to create an export task. Click <strong id="das_02_0005__b139974308268">Export History</strong> to check whether the export task succeeded.</li><li id="das_02_0005__li5715332230">After the export succeeded, download the file and view the records on the local PC.</li></ul>
</div></div>
</p></li><li id="das_02_0005__li9434827195116"><span>Click the <strong id="das_02_0005__b18704154913346">SQL Templates</strong> tab.</span><p><div class="note" id="das_02_0005__note61410471474"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_02_0005__ul192156265912"><li id="das_02_0005__li132151326699">By default, the SQL statement executions in the last 1 hour are displayed. You can also specify a time range as needed. Columns such as average duration, total duration, total executions, and average scanned rows are provided.</li></ul>
</div></div>
</p></li><li id="das_02_0005__li11216122615911"><span>Click <strong id="das_02_0005__b18206192217396">Details</strong> in the <strong id="das_02_0005__b72213326396">Operation</strong> column to view the SQL template details.</span></li><li id="das_02_0005__li0105135421314"><span>Click the <strong id="das_02_0005__b10457133718489">SQL Statement Types</strong> tab.</span></li><li id="das_02_0005__li1852411285159"><span>Click <strong id="das_02_0005__b1529318258314">Details</strong> in the <strong id="das_02_0005__b12934255318">Operation</strong> column to view SQL details.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0002.html">Intelligent O&amp;M</a></div>
</div>
</div>

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<h1 class="topictitle1">Data Management</h1>
<div id="body1602472381091"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="das_02_0007.html">Overview</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_02_0011.html">Step 1: Log In to DAS</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_02_0012.html">Step 2: Add Database Login Information</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_02_0008.html">Step 3: Log In to a Database</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_02_0009.html">Step 4: Manage Data</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0000.html">Getting Started</a></div>
</div>
</div>

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<h1 class="topictitle1">Overview</h1>
<div id="body1602474188722"><div class="section" id="das_02_0007__section159564611233"><h4 class="sectiontitle">Scenarios</h4><p id="das_02_0007__p17133173362012">This section describes how to manage data on the <strong id="das_02_0007__b03804733820">Database Management</strong> page.</p>
</div>
<div class="section" id="das_02_0007__section491834114289"><h4 class="sectiontitle">Procedure</h4><p id="das_02_0007__p12120114172918">Perform the following operations to manage data on the <strong id="das_02_0007__b16113645163716">Database Management</strong> page:</p>
<p id="das_02_0007__p15689163012278"><a href="das_02_0011.html">Step 1: Log In to DAS</a></p>
<p id="das_02_0007__p17689133092713"><a href="das_02_0012.html">Step 2: Add Database Login Information</a></p>
<p id="das_02_0007__p36901030152720"><a href="das_02_0008.html">Step 3: Log In to a Database</a></p>
<p id="das_02_0007__p17690133018276"><a href="das_02_0009.html">Step 4: Manage Data</a></p>
<div class="fignone" id="das_02_0007__fig1680514614439"><span class="figcap"><b>Figure 1 </b>Data management operations</span><br><span><img class="eddx" id="das_02_0007__image11130102814463" src="en-us_image_0000001387791961.png"></span></div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0006.html">Data Management</a></div>
</div>
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<h1 class="topictitle1">Step 3: Log In to a Database</h1>
<div id="body1602474188722"><div class="section" id="das_02_0008__section1229413312270"><h4 class="sectiontitle">Database Management</h4><ol id="das_02_0008__ol14355184634713"><li id="das_02_0008__li15222747195011"><span>In the navigation pane on the left of the DAS console, choose <strong id="das_02_0008__b7155015761">Development Tool</strong> to go to the login list page.</span><p><p id="das_02_0008__p6326144162210"></p>
</p></li><li id="das_02_0008__li1713110213493"><span>Choose <strong id="das_02_0008__b11891122191317">RDS DB instances</strong> and <strong id="das_02_0008__b7896102191311">MySQL</strong> from the drop-down lists in the upper right corner.</span></li><li id="das_02_0008__li1850055811483"><span>Locate the MySQL DB instance you want to log in to and click <strong id="das_02_0008__b11542161853013">Log In</strong> in the <strong id="das_02_0008__b13547161818307">Operation</strong> column.</span></li><li id="das_02_0008__li1938110561728"><span>On the top menu bar, click <strong id="das_02_0008__b167474266325">Database Management</strong> and click <strong id="das_02_0008__b18879271338">Change</strong> to select a database you want to operate.</span></li><li id="das_02_0008__li44302073518"><span>Click the <strong id="das_02_0008__b622112413351">Objects</strong> tab to view objects such as tables, views, stored procedures, events, triggers, and functions.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0006.html">Data Management</a></div>
</div>
</div>

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<h1 class="topictitle1">Step 4: Manage Data</h1>
<div id="body1602474188722"><div class="section" id="das_02_0009__section5590424132518"><h4 class="sectiontitle">Table Management</h4><ol id="das_02_0009__ol1220671614257"><li id="das_02_0009__li86021233181516"><span>On the <strong id="das_02_0009__b1055521632918">Objects</strong> tab page, choose <strong id="das_02_0009__b7379113102912">Tables</strong>. Click <span class="uicontrol" id="das_02_0009__uicontrol3603113313156"><b>Create Table</b></span>. On the displayed page, enter a table name, select the storage engine, character set, and collation, enter the comment, and set advanced settings.</span></li><li id="das_02_0009__li764690131119"><span>Ensure the settings are correct and click <strong id="das_02_0009__b944192243814">Next</strong>. Then add table columns.</span></li><li id="das_02_0009__li5800181510167"><span>Click <strong id="das_02_0009__b15183141283514">Next</strong> and add virtual columns, indexes, and foreign keys.</span></li><li id="das_02_0009__li927052714258"><span>Click <strong id="das_02_0009__b895220193717">Create</strong>. In the <strong id="das_02_0009__b33203354373">SQL Preview</strong> dialog box, click <strong id="das_02_0009__b16985183753811">Back</strong> if there is any incorrect configuration, and click <strong id="das_02_0009__b1293572753819">Execute</strong> to create the table if all configurations are correct.</span></li></ol>
</div>
<div class="section" id="das_02_0009__section1837319203711"><h4 class="sectiontitle">View Management</h4><ol id="das_02_0009__ol6418435103714"><li id="das_02_0009__li16418635133713"><span>On the <strong id="das_02_0009__b12833122244013">Objects</strong> tab page, choose <strong id="das_02_0009__b1251110183404">Views</strong>. Click <span class="uicontrol" id="das_02_0009__uicontrol8418183593710"><b>Create View</b></span>. On the displayed page, enter a view name, select the security, check option, and algorithm, and set the definer and view definition statement.</span></li><li id="das_02_0009__li9419103593715"><span>Click <strong id="das_02_0009__b3719846104114">Create</strong>. On the <strong id="das_02_0009__b20724204614112">Confirm View Definition Script</strong> page, click <strong id="das_02_0009__b10725184610415">Back</strong> if there is something wrong, and click <strong id="das_02_0009__b107261546114116">Execute</strong> to create the view if everything is correct.</span></li></ol>
</div>
<div class="section" id="das_02_0009__section77951414425"><h4 class="sectiontitle">Stored Procedure Management</h4><ol id="das_02_0009__ol45813559422"><li id="das_02_0009__li20581855104218"><span>On the <strong id="das_02_0009__b249911561442">Objects</strong> tab page, choose <strong id="das_02_0009__b6558152124518">Stored Procedures</strong>. Click <strong id="das_02_0009__b1586714143468">Create Stored Procedure</strong>. On the displayed page, specify the name and description.</span></li><li id="das_02_0009__li2674658155016"><span>Ensure the settings are correct and click <strong id="das_02_0009__b125112124716">OK</strong>. The SQL preview page is displayed.</span></li><li id="das_02_0009__li544910114516"><span>Click <strong id="das_02_0009__b23061850184011">Option</strong> and configure the SQL security, determinacy, and data access.</span></li><li id="das_02_0009__li17032541916"><span>Ensure the settings are correct, and click <strong id="das_02_0009__b12963164618397">OK</strong> and then <strong id="das_02_0009__b18963184611394">Save</strong>. If you want to modify the SQL statement, click <strong id="das_02_0009__b154483785518">Cancel</strong> to go back to the SQL preview window.</span></li><li id="das_02_0009__li558214550428"><span>Click <strong id="das_02_0009__b5241840154117">Execute</strong> to create a stored procedure.</span></li></ol>
</div>
<div class="section" id="das_02_0009__section46139135515"><h4 class="sectiontitle">Event Management</h4><ol id="das_02_0009__ol397820135510"><li id="das_02_0009__li297142011556"><span>On the <strong id="das_02_0009__b18637155716180">Objects</strong> tab page, choose <strong id="das_02_0009__b43291152181814">Events</strong>. Click <strong id="das_02_0009__b147801162204">Create Event</strong>. On the displayed page, enter an event name, set the status and execution time, and enter the comment and event definition statements.</span></li><li id="das_02_0009__li20391534195918"><span>Click <strong id="das_02_0009__b15178192122414">Create</strong>. On the <strong id="das_02_0009__b191799262416">Confirm View Definition Script</strong> page, click <strong id="das_02_0009__b15180162112415">Back</strong> if there is something wrong, and click <strong id="das_02_0009__b3180102142420">Execute</strong> to create the event if everything is correct.</span></li></ol>
</div>
<div class="section" id="das_02_0009__section18403148636"><h4 class="sectiontitle">Trigger Management</h4><ol id="das_02_0009__ol1739127639"><li id="das_02_0009__li274019271635"><span>On the <strong id="das_02_0009__b734674814230">Objects</strong> tab page, choose <strong id="das_02_0009__b2039705010236">Triggers</strong>. Click <strong id="das_02_0009__b139361637144411">Create Trigger</strong>. On the displayed page, enter a trigger name, select the trigger table, trigger condition, and trigger event, and enter the trigger definition statement.</span></li><li id="das_02_0009__li1574111279310"><span>Click <strong id="das_02_0009__b2501151182414">Create</strong>. On the <strong id="das_02_0009__b9591451122412">Confirm View Definition Script</strong> page, click <strong id="das_02_0009__b05965118246">Back</strong> if there is something wrong, and click <strong id="das_02_0009__b1559251172413">Execute</strong> to create the trigger if everything is correct.</span></li></ol>
</div>
<div class="section" id="das_02_0009__section18867144318617"><h4 class="sectiontitle">Function Management</h4><ol id="das_02_0009__ol1311812417713"><li id="das_02_0009__li3118144576"><span>On the <strong id="das_02_0009__b11345309294">Objects</strong> tab page, choose <strong id="das_02_0009__b1054324111295">Functions</strong>. Click <strong id="das_02_0009__b113272093014">Create Function</strong>. On the displayed page, enter a function name and set the returned value type and description.</span></li><li id="das_02_0009__li91191244710"><span>Ensure the settings are correct and click <strong id="das_02_0009__b17671118143013">OK</strong>. The SQL preview page is displayed.</span></li><li id="das_02_0009__li171191642074"><span>Click <strong id="das_02_0009__b1776113719300">Option</strong> and configure the SQL security, determinacy, and data access.</span></li><li id="das_02_0009__li11191641072"><span>Ensure the settings are correct, and click <strong id="das_02_0009__b44451659103017">OK</strong> and then <strong id="das_02_0009__b1045015919301">Save</strong>. If you want to modify the SQL statements, click <strong id="das_02_0009__b453583561">Cancel</strong> to go back to the SQL preview window. Then click <strong id="das_02_0009__b6692191133120">Execute</strong> to create the function.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0006.html">Data Management</a></div>
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<h1 class="topictitle1">Step 1: Log In to DAS</h1>
<div id="body1603779629289"><div class="section" id="das_02_0011__section1999419268388"><h4 class="sectiontitle">Procedure</h4><ol id="das_02_0011__ol3408152913530"><li id="das_02_0011__li1087344912452"><span>On the login page, enter the account and password to log in to the management console.</span></li><li id="das_02_0011__li16874849154518"><span>Click <span><img id="das_02_0011__image187519493456" src="en-us_image_0000001337591560.png"></span> in the upper left corner and select the desired region and project.</span></li><li id="das_02_0011__li19015538311"><span>Click <span><img id="das_02_0011__image96758393138" src="en-us_image_0000001387911537.png"></span> in the upper left corner, and under <strong id="das_02_0011__b148490213435">Database</strong>, click <strong id="das_02_0011__b38506210437">Data Admin Service</strong>.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0006.html">Data Management</a></div>
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<h1 class="topictitle1">Step 2: Add Database Login Information</h1>
<div id="body1603779629289"><div class="section" id="das_02_0012__section2487181111813"><h4 class="sectiontitle">Scenarios</h4><ul id="das_02_0012__ul6297154154019"><li id="das_02_0012__li202972484014">With DAS, you can create logins to manage databases using a GUI.</li><li id="das_02_0012__li172981416400">This section uses an RDS DB instance as an example to describe how to add a database login. </li></ul>
</div>
<div class="section" id="das_02_0012__section2097285612378"><h4 class="sectiontitle">Adding RDS DB Instance Login Information</h4><ol id="das_02_0012__ol16873134914510"><li id="das_02_0012__li484342497"><span>In the navigation pane on the left of the DAS console, choose <strong id="das_02_0012__b951315325513">Development Tool</strong> to go to the login list page.</span></li><li id="das_02_0012__li98699232543"><span>Click <strong id="das_02_0012__b786231019564">Add Login</strong>.</span></li><li id="das_02_0012__li946121155013"><span>On the displayed page, select the DB engine, source database, and target DB instance, enter the login username, password, and description (optional), and enable <strong id="das_02_0012__b12581820135816">Collect Metadata Periodically</strong> and <strong id="das_02_0012__b205922013589">Show Executed SQL Statements</strong>.</span></li><li id="das_02_0012__li13134125011116"><span><span id="das_02_0012__text33391405129">Test the connection as needed. If a message indicating that the connection failed is displayed, modify the connection according to the failure causes contained in the message.</span></span><p><div class="note" id="das_02_0012__note313413504115"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_02_0012__ul13134135017110"><li id="das_02_0012__li613410506116">The username and password required for adding the login are the database username and password.</li><li id="das_02_0012__li813413505117">To delete a password, you can modify or delete the login information.</li><li id="das_02_0012__li11566145183915">You are advised to enable <strong id="das_02_0012__b1661216232214">Collect Metadata Periodically</strong>. If it is disabled, DAS obtains only the structured data from databases in real time, and the performance of databases is affected.<p id="das_02_0012__p1289111154196">The collection time cannot be customized. Once <strong id="das_02_0012__b108451391237">Collect Metadata Periodically</strong> is enabled, DAS automatically collects metadata at 20:00 every day (UTC time). If you are not using a UTC time, convert the time according to your local time zone. You can also click <strong id="das_02_0012__b2741937519">Collect Now</strong> to collect metadata at any time you want.</p>
</li><li id="das_02_0012__li79919406266">You are advised to enable <strong id="das_02_0012__b893114623215">Show Executed SQL Statements</strong>. With it enabled, you can view the executed SQL statements under <strong id="das_02_0012__b2936136183217">SQL Operations</strong> &gt; <strong id="das_02_0012__b1693676133214">SQL History</strong> and execute them again without entering the SQL statements.</li></ul>
</div></div>
</p></li><li id="das_02_0012__li77831545112"><span>Click <span class="uicontrol" id="das_02_0012__uicontrol71012983212"><b>OK</b></span>.</span></li></ol>
<h1 class="topictitle1">Managing Databases</h1>
<div id="body8662426"><p id="das_02_0012__p18719103417107">DAS provides Development Tool to help you manage databases.</p>
<p id="das_02_0012__p612594865620">Development Tool is an easy-to-use database client. It provides diverse database development functions, including data and table structure synchronization, online editing, and intelligent prompts for SQL input.</p>
<p id="das_02_0012__p1825935914526">This section describes how to use DAS for RDS for MySQL instances.</p>
<div class="section" id="das_02_0012__en-us_topic_0000001118958084_section1229413312270"><h4 class="sectiontitle">Managing Databases</h4><ol id="das_02_0012__en-us_topic_0000001118958084_ol14355184634713"><li id="das_02_0012__li16477124084014"><span>Log in to the OTC console.</span></li><li id="das_02_0012__li01942048112216"><span>Click <span><img id="das_02_0012__das_03_0002_image1391152918393" src="en-us_image_0000001694653209.png"></span> in the upper left corner and select a region and project.</span></li><li id="das_02_0012__li6194144862210"><span>Click <span><img id="das_02_0012__das_03_0002_image116226131407" src="en-us_image_0000001694653201.png"></span> in the upper left corner, and under <strong id="das_02_0012__das_03_0002_b59651260454">Databases</strong>, click <strong id="das_02_0012__das_03_0002_b14966172614457">Data Admin Service</strong>.</span></li><li id="das_02_0012__li28485511417"><span>In the navigation pane on the left, choose <strong id="das_02_0012__das_03_0002_b7702104111465">Development Tool</strong>.</span></li><li id="das_02_0012__en-us_topic_0000001118958084_li1713110213493"><span>Choose <strong id="das_02_0012__en-us_topic_0000001118958084_b11891122191317">RDS</strong> and <strong id="das_02_0012__en-us_topic_0000001118958084_b7896102191311">MySQL</strong> from the drop-down lists in the upper right corner.</span></li><li id="das_02_0012__en-us_topic_0000001118958084_li1850055811483"><span>Locate the MySQL DB instance you want to log in to and click <strong id="das_02_0012__en-us_topic_0000001118958084_b11542161853013">Log In</strong> in the <strong id="das_02_0012__en-us_topic_0000001118958084_b13547161818307">Operation</strong> column.</span></li><li id="das_02_0012__en-us_topic_0000001118958084_li1938110561728"><span>On the top menu bar, click <strong id="das_02_0012__en-us_topic_0000001118958084_b167474266325">Database Management</strong> and click <strong id="das_02_0012__en-us_topic_0000001118958084_b18879271338">Change</strong> to select a database you want to operate.</span></li><li id="das_02_0012__en-us_topic_0000001118958084_li44302073518"><span>Click the <strong id="das_02_0012__en-us_topic_0000001118958084_b622112413351">Objects</strong> tab to view objects such as tables, views, stored procedures, events, triggers, and functions.</span><p><p id="das_02_0012__p548712214717">For more operations, see <a href="das_04_0001.html">RDS for MySQL</a>.</p>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0006.html">Data Management</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0000.html">Getting Started</a></div>
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<h1 class="topictitle1">Viewing Details of a View</h1>
<div id="body0000001635114401"><p id="das_03_0001__p1281418333267">This section describes how to view details of a view, which show the SQL statement for creating it.</p>
<div class="section" id="das_03_0001__section563541418471"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0001__ol020912236558"><li id="das_03_0001__li16477124084014"><span>Log in to the OTC console.</span></li><li id="das_03_0001__li01942048112216"><span>Click <span><img id="das_03_0001__das_03_0002_image1391152918393" src="en-us_image_0000001694653209.png"></span> in the upper left corner and select a region and project.</span></li><li id="das_03_0001__li6194144862210"><span>Click <span><img id="das_03_0001__das_03_0002_image116226131407" src="en-us_image_0000001694653201.png"></span> in the upper left corner, and under <strong id="das_03_0001__das_03_0002_b59651260454">Databases</strong>, click <strong id="das_03_0001__das_03_0002_b14966172614457">Data Admin Service</strong>.</span></li><li id="das_03_0001__li28485511417"><span>In the navigation pane on the left, choose <strong id="das_03_0001__das_03_0002_b7702104111465">Development Tool</strong>.</span></li><li id="das_03_0001__li878811913353"><span>Locate the DB instance that you want to log in to and click <span class="uicontrol" id="das_03_0001__das_08_0016_uicontrol693692615423"><b>Log In</b></span> in the <strong id="das_03_0001__das_08_0016_b39361726124218">Operation</strong> column.</span></li><li id="das_03_0001__li62331344466"><span>On the top menu bar, choose <span class="uicontrol" id="das_03_0001__uicontrol11233734154610"><b>Database Management</b></span>.</span></li><li id="das_03_0001__li44580712436"><span>Click <strong id="das_03_0001__das_04_0009_b179528161716">Change</strong> on the right of the current database to switch to the database where you want to create a table.</span></li><li id="das_03_0001__li21681036153120"><span>On the <strong id="das_03_0001__b1481119421519">Objects</strong> tab page, choose <strong id="das_03_0001__b12813442165119">Views</strong>.</span></li><li id="das_03_0001__li13867454203016"><span>Locate the view whose details you want to view and click <strong id="das_03_0001__b1110851165119">View Details</strong> in the <strong id="das_03_0001__b91114517515">Operation</strong> column.</span></li><li id="das_03_0001__li696971293415"><span>In the displayed dialog box, view the SQL statement for creating the view.</span></li></ol>
</div>
<p id="das_03_0001__p8060118"></p>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0019.html">View Management</a></div>
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<h1 class="topictitle1">Adding Login Information</h1>
<div id="body1525999517192"><div class="section" id="das_03_0002__section2487181111813"><h4 class="sectiontitle">Scenarios</h4><p id="das_03_0002__p1623722592714">This section describes how to add database login information so that you can log in to a database for visualized data management operations.</p>
<div class="note" id="das_03_0002__note897103573915"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_03_0002__ul1241511161931"><li id="das_03_0002__li10287143903917">If you have not logged in to a DB instance through the created login over a year, the system automatically clears all information, including the saved password, of this login.</li><li id="das_03_0002__li1787554812417">You can log in to the same database either on the DAS console or using other clients. Both methods do not affect each other.</li><li id="das_03_0002__li19151956161514">DAS allows you to manage DB instances of different types of engines. An RDS MySQL DB instance is used in the following example.</li></ul>
</div></div>
</div>
<div class="section" id="das_03_0002__section11731353152813"><h4 class="sectiontitle">Adding Login Information for RDS DB Instances</h4><ol id="das_03_0002__ol16873134914510"><li id="das_03_0002__li484342497"><span>In the navigation pane on the left of the DAS console, choose <strong id="das_03_0002__b5487103211012">Development Tool</strong> to go to the login list page.</span></li><li id="das_03_0002__li98699232543"><span>Click <strong id="das_03_0002__b71212467911">Add Login</strong>.</span></li><li id="das_03_0002__li946121155013"><span>On the displayed page, select the DB engine, source database, and target DB instance, enter the login username, password, and description (optional), and enable <strong id="das_03_0002__b360715334174">Collect Metadata Periodically</strong> and <strong id="das_03_0002__b1160833314178">Show Executed SQL Statements</strong>.</span><p><div class="note" id="das_03_0002__note313413504115"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_03_0002__ul13134135017110"><li id="das_03_0002__li1761919371228">After you specify <strong id="das_03_0002__b7392152514397">Source Database</strong>, the system automatically lists all the DB instances from this source under the current account.</li><li id="das_03_0002__li613410506116">The username and password required for adding the login are the database username and password.</li><li id="das_03_0002__li813413505117">To delete the password, you can modify or delete the login.</li><li id="das_03_0002__li11566145183915">You are advised to enable <strong id="das_03_0002__b954365119139">Collect Metadata Periodically</strong>. If it is disabled, DAS obtains only the structured data from databases in real time, and the performance of databases is affected.<p id="das_03_0002__p1289111154196">The collection time cannot be customized. Once <strong id="das_03_0002__b71451153142">Collect Metadata Periodically</strong> is enabled, DAS automatically collects metadata at 20:00 every day (UTC time). If you are not using a UTC time, convert the time according to your local time zone. You can also click <strong id="das_03_0002__b15429176143">Collect Now</strong> to collect metadata at any time you want.</p>
</li><li id="das_03_0002__li79919406266">You are advised to enable <strong id="das_03_0002__b359517447408">Show Executed SQL Statements</strong>. With it enabled, you can view the executed SQL statements under <strong id="das_03_0002__b20602144416401">SQL Operations</strong> &gt; <strong id="das_03_0002__b760364424012">SQL History</strong> and execute them again without entering the SQL statements.</li></ul>
</div></div>
</p></li><li id="das_03_0002__li46621214195511"><span><span id="das_03_0002__text7697920185515">Test the connection as needed. If a message indicating that the connection failed is displayed, modify the connection according to the failure causes contained in the message.</span></span></li><li id="das_03_0002__li77831545112"><span>Click <span class="uicontrol" id="das_03_0002__uicontrol977564864018"><b>OK</b></span>.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
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<h1 class="topictitle1">Logging In to a Database</h1>
<div id="body1526004532266"><div class="section" id="das_03_0003__section2487181111813"><h4 class="sectiontitle">Scenarios</h4><p id="das_03_0003__p45111263111821">On the DAS console, log in to a DB instance for database operations and management.</p>
</div>
<div class="section" id="das_03_0003__section021811112114"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0003__ol04911352237"><li id="das_03_0003__li159645042310"><span>Log in to the DAS console.</span></li><li id="das_03_0003__li114913357231"><span>In the login list of Development Tool, locate the DB instance you want to log in to and click <strong id="das_03_0003__b1795565016161">Log In</strong> in the <strong id="das_03_0003__b18861125817161">Operation</strong> column.</span><p><p id="das_03_0003__p36756381408">Select an instance type to display your desired DB instances. RDS DB instances are used as an example.</p>
<div class="fignone" id="das_03_0003__fig1361716211199"><span class="figcap"><b>Figure 1 </b>Database login list</span><br><span><img id="das_03_0003__image1861716217196" src="en-us_image_0000001337591416.png"></span></div>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
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<a name="das_03_0004"></a><a name="das_03_0004"></a>
<h1 class="topictitle1">Modifying Login Information</h1>
<div id="body1526002940529"><div class="section" id="das_03_0004__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_03_0004__p27667840173352">DAS allows you to modify login information, such as username and password. You can also choose whether to remember password, or enable or disable periodic metadata collection.</p>
</div>
<div class="section" id="das_03_0004__section11731353152813"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0004__ol1434086115118"><li id="das_03_0004__li17480165933819"><span>In the login list of Development Tool, locate the DB instance for which you want to modify its login information and click <strong id="das_03_0004__b17468191311911">Modify</strong> in the <strong id="das_03_0004__b7468213699">Operation</strong> column.</span><p><div class="fignone" id="das_03_0004__fig760843072013"><span class="figcap"><b>Figure 1 </b>Login list of Development Tool</span><br><span><img id="das_03_0004__image760963013202" src="en-us_image_0000001387791885.png"></span></div>
</p></li><li id="das_03_0004__li9989140195313"><span>On the displayed page, modify the information as required.</span><p><ul id="das_03_0004__u7f0ab1d062cf4deda9901b2a34ee1165"><li id="das_03_0004__l62408c04b5454b97b0609d4c3741f87c">If you do not want to modify the information, click <strong id="das_03_0004__b842352706143619">Cancel</strong>.</li><li id="das_03_0004__li17194133318589">If you want to modify the information, make the modifications, confirm the settings, and click <strong id="das_03_0004__b842352706143733">OK</strong>.<div class="fignone" id="das_03_0004__fig18712185019228"><span class="figcap"><b>Figure 2 </b>Modify Login Information</span><br><span><img id="das_03_0004__image20713185032212" src="en-us_image_0000001337751452.png"></span></div>
</li></ul>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
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<h1 class="topictitle1">Deleting Login Information</h1>
<div id="body1526002940529"><div class="section" id="das_03_0005__section2487181111813"><h4 class="sectiontitle">Scenarios</h4><p id="das_03_0005__p157691383710">Delete the login information you no longer need.</p>
</div>
<div class="notice" id="das_03_0005__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_03_0005__p10249075175439">A login represents an entry for managing databases. Deleted logins have no impact on your database performance but cannot be recovered, exercise caution when you perform this operation.</p>
</div></div>
<div class="section" id="das_03_0005__section11731353152813"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0005__ol1434086115118"><li id="das_03_0005__li1083559195118"><span>In the login list of Development Tool, locate the DB instance for which you want to delete its login information and click <strong id="das_03_0005__b84933127282">Delete</strong> in the <strong id="das_03_0005__b14493712192819">Operation</strong> column.</span></li><li id="das_03_0005__li9989140195313"><span>In the displayed dialog box, click <strong id="das_03_0005__b18500132042618">Yes</strong>.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
</div>
</div>

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<h1 class="topictitle1">Logging In to the DAS Console</h1>
<div id="body1531905064048"><div class="section" id="das_03_0007__section105856811430"><h4 class="sectiontitle">Logging In to Console</h4><ol id="das_03_0007__ol3408152913530"><li id="das_03_0007__li1087344912452"><span>On the login page, enter the account and password to log in to the management console.</span></li><li id="das_03_0007__li16874849154518"><span>Click <span><img id="das_03_0007__image187519493456" src="en-us_image_0000001337431664.png"></span> in the upper left corner and select the desired region and project.</span></li><li id="das_03_0007__li19015538311"><span>Click <span><img id="das_03_0007__image96758393138" src="en-us_image_0000001337751544.png"></span> in the upper left corner, and under <strong id="das_03_0007__b96189381396">Database</strong>, click <strong id="das_03_0007__b46208381913">Data Admin Service</strong>.</span></li></ol>
<h1 class="topictitle1">Viewing Details of an Event</h1>
<div id="body0000001588016734"><p id="das_03_0007__p1281418333267">This section describes how to view details of an event on the DAS console. The details show the SQL statement for creating the event.</p>
<div class="section" id="das_03_0007__section563541418471"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0007__ol020912236558"><li id="das_03_0007__li16477124084014"><span>Log in to the OTC console.</span></li><li id="das_03_0007__li01942048112216"><span>Click <span><img id="das_03_0007__das_03_0002_image1391152918393" src="en-us_image_0000001694653209.png"></span> in the upper left corner and select a region and project.</span></li><li id="das_03_0007__li6194144862210"><span>Click <span><img id="das_03_0007__das_03_0002_image116226131407" src="en-us_image_0000001694653201.png"></span> in the upper left corner, and under <strong id="das_03_0007__das_03_0002_b59651260454">Databases</strong>, click <strong id="das_03_0007__das_03_0002_b14966172614457">Data Admin Service</strong>.</span></li><li id="das_03_0007__li28485511417"><span>In the navigation pane on the left, choose <strong id="das_03_0007__das_03_0002_b7702104111465">Development Tool</strong>.</span></li><li id="das_03_0007__li878811913353"><span>Locate the DB instance that you want to log in to and click <span class="uicontrol" id="das_03_0007__das_08_0016_uicontrol693692615423"><b>Log In</b></span> in the <strong id="das_03_0007__das_08_0016_b39361726124218">Operation</strong> column.</span></li><li id="das_03_0007__li62331344466"><span>On the top menu bar, choose <span class="uicontrol" id="das_03_0007__uicontrol87817583591"><b>Database Management</b></span>.</span></li><li id="das_03_0007__li4392513485"><span>Click <strong id="das_03_0007__das_04_0009_b179528161716">Change</strong> on the right of the current database to switch to the database where you want to create a table.</span></li><li id="das_03_0007__li21681036153120"><span>On the <strong id="das_03_0007__b136760416365741">Objects</strong> tab page, choose <strong id="das_03_0007__b83153840765741">Events</strong>.</span></li><li id="das_03_0007__li13867454203016"><span>Locate the event whose details you want to view and click <strong id="das_03_0007__b19279826403">View Details</strong> in the <strong id="das_03_0007__b728010261101">Operation</strong> column.</span></li><li id="das_03_0007__li696971293415"><span>In the displayed dialog box, view the SQL statement for creating the event.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0026.html">Event Management</a></div>
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<h1 class="topictitle1">Viewing Details of a Trigger</h1>
<div id="body0000001637857297"><p id="das_03_0009__p1281418333267">This section describes how to view details of a trigger on the DAS console. The details show the SQL content for creating the trigger.</p>
<div class="section" id="das_03_0009__section563541418471"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0009__ol020912236558"><li id="das_03_0009__li16477124084014"><span>Log in to the OTC console.</span></li><li id="das_03_0009__li01942048112216"><span>Click <span><img id="das_03_0009__das_03_0002_image1391152918393" src="en-us_image_0000001694653209.png"></span> in the upper left corner and select a region and project.</span></li><li id="das_03_0009__li6194144862210"><span>Click <span><img id="das_03_0009__das_03_0002_image116226131407" src="en-us_image_0000001694653201.png"></span> in the upper left corner, and under <strong id="das_03_0009__das_03_0002_b59651260454">Databases</strong>, click <strong id="das_03_0009__das_03_0002_b14966172614457">Data Admin Service</strong>.</span></li><li id="das_03_0009__li28485511417"><span>In the navigation pane on the left, choose <strong id="das_03_0009__das_03_0002_b7702104111465">Development Tool</strong>.</span></li><li id="das_03_0009__li878811913353"><span>Locate the DB instance that you want to log in to and click <span class="uicontrol" id="das_03_0009__das_08_0016_uicontrol693692615423"><b>Log In</b></span> in the <strong id="das_03_0009__das_08_0016_b39361726124218">Operation</strong> column.</span></li><li id="das_03_0009__li62331344466"><span>On the top menu bar, choose <span class="uicontrol" id="das_03_0009__uicontrol179721622162513"><b>Database Management</b></span>.</span></li><li id="das_03_0009__li4392513485"><span>Click <strong id="das_03_0009__das_04_0009_b179528161716">Change</strong> on the right of the current database to switch to the database where you want to create a table.</span></li><li id="das_03_0009__li21681036153120"><span>On the <strong id="das_03_0009__b2013665230724">Objects</strong> tab page, choose <strong id="das_03_0009__b382258724">Triggers</strong>.</span></li><li id="das_03_0009__li13867454203016"><span>Locate the trigger whose details you want to view and click <strong id="das_03_0009__b12925844182519">View Details</strong> in the <strong id="das_03_0009__b18927174432514">Operation</strong> column.</span></li><li id="das_03_0009__li696971293415"><span>In the displayed dialog box, view the SQL statement for creating the trigger.</span></li></ol>
</div>
<p id="das_03_0009__p16251155303714"></p>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0051.html">Trigger Management</a></div>
</div>
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<h1 class="topictitle1">Real-Time Sessions</h1>
<div id="body1578900108182"><div class="section" id="das_03_0011__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0011__ol93493469568"><li id="das_03_0011__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0011__li2145113319114"><span>On the <strong id="das_03_0011__b186011111131">Overview</strong> page, click <strong id="das_03_0011__b1609151115138">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0011__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0011__b346091315132">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0011__li10349946195620"><span>Choose <strong id="das_03_0011__b1178011413293">Sessions</strong> &gt; <strong id="das_03_0011__b916615117297">Real-Time Sessions</strong> to view the real-time session statistics collected by user, host, and database.</span></li><li id="das_03_0011__li27051232115"><span>On the <strong id="das_03_0011__b7509172520333">All Sessions</strong> tab page, select the abnormal sessions you want to end and click <span class="uicontrol" id="das_03_0011__uicontrol251013253334"><b>Kill</b></span> for the databases to recover.</span><p><p id="das_03_0011__p746345142113">On the <strong id="das_03_0011__b118311174713">Slow Sessions</strong> tab page, set the slow session threshold and click the refreshing button or enable <strong id="das_03_0011__b484717473">Auto Refresh</strong> to filter out the SQL statements whose execution time exceeds the threshold. Select the sessions you want to end and click <strong id="das_03_0011__b14785105918554">Kill</strong> for the databases to recover.</p>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0027.html">Sessions</a></div>
</div>
</div>

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<h1 class="topictitle1">SQL Explorer</h1>
<div id="body1579244421502"><div class="section" id="das_03_0015__section194230161415"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0015__ol181115339416"><li id="das_03_0015__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0015__li2145113319114"><span>On the <strong id="das_03_0015__b244014461317">Overview</strong> page, click <strong id="das_03_0015__b744114413133">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0015__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0015__b04296465137">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0015__li581367183111"><span>On the <strong id="das_03_0015__b7161153216499">SQL</strong> tab page, click <strong id="das_03_0015__b12363171865010">SQL Explorer</strong> to view the full SQL details of the current instance.</span></li><li id="das_03_0015__li14457326113"><span>On the <strong id="das_03_0015__b18317422429">SQL Statements</strong> tab page, click <strong id="das_03_0015__b03171629425">Enable DAS SQL Explorer</strong>. Query the SQL statements executed by the current instance by different criteria, including time range, user, keyword, and database.</span><p><div class="note" id="das_03_0015__note1784101515111"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_03_0015__ul6370162654911"><li id="das_03_0015__li13701426104912">Click <strong id="das_03_0015__b19868181615">Export</strong> to export SQL statement information. A maximum of 100,000 records can be exported.</li><li id="das_03_0015__li15370926114913">Click <strong id="das_03_0015__b103504201822">Export History</strong> to view the exported SQL statements.</li></ul>
</div></div>
</p></li><li id="das_03_0015__li999619882216"><span>On the <strong id="das_03_0015__b1483981510366">SQL Templates</strong> tab page, select a time range as required to view SQL templates and their statistical information, such as the average execution duration.</span></li><li id="das_03_0015__li11294155811106"><span>On the <strong id="das_03_0015__b129391036171711">SQL Statement Types</strong> tab page, view types of SQL statements that were ever executed.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0028.html">SQL</a></div>
</div>
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<h1 class="topictitle1">Emergency Channel</h1>
<div id="body1579244421502"><div class="section" id="das_03_0016__section158691750154012"><h4 class="sectiontitle">Scenarios</h4><ul id="das_03_0016__ul95412126414"><li id="das_03_0016__li75421712104118">Emergency Channel<ul id="das_03_0016__ul145281224191817"><li id="das_03_0016__li1528202471810">If the maximum number of sessions for an instance has been reached and the instance cannot be logged in to, you can view and kill unnecessary sessions through the emergency channel.</li><li id="das_03_0016__li1529182431811">Emergency channel is available to only RDS MySQL and GaussDB(for MySQL) DB databases currently, but not to self-built databases on ECSs and instances in the creating, frozen, or abnormal state.</li><li id="das_03_0016__li952932441816">Use this function in urgent conditions. All your kill operations will be recorded in logs.</li><li id="das_03_0016__li1852932431813">If your instance can be logged in to on the DAS console, log in to the instance and perform desired operations through <strong id="das_03_0016__b4698131720251">Real-Time Sessions</strong>.</li><li id="das_03_0016__li9529152416189">Sessions of sensitive users, like rdsadmin, rdsbackup, rdsmetric, and rdsRepl cannot be killed.</li></ul>
</li><li id="das_03_0016__li163981515184116">History Logs<p id="das_03_0016__p7667172444419"><a name="das_03_0016__li163981515184116"></a><a name="li163981515184116"></a>On the <strong id="das_03_0016__b197664371061">History Logs</strong> tab page, you can view all your sessions killed through the emergency channel.</p>
</li></ul>
</div>
<div class="section" id="das_03_0016__section145368305513"><h4 class="sectiontitle">Prerequisites</h4><p id="das_03_0016__p640314181489">The DB engine must be MySQL. The MySQL 5.6 version must be 5.6.43.3 or later, and MySQL 5.7 version must be 5.7.25.3 or later.</p>
</div>
<div class="section" id="das_03_0016__section16707254123620"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0016__ol181115339416"><li id="das_03_0016__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0016__li2145113319114"><span>On the <strong id="das_03_0016__b838842511310">Overview</strong> page, click <strong id="das_03_0016__b039832517133">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0016__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0016__b3512122751311">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0016__li1779617209276"><span>On the <strong id="das_03_0016__b8589128141512">Emergency Channel</strong> tab page, select the sessions you want to kill. By default, the sessions are sorted in descending order by session duration.</span></li><li id="das_03_0016__li5930134811590"><span>Click <strong id="das_03_0016__b1956143022112">Kill</strong>. In the displayed dialog box, click <span class="uicontrol" id="das_03_0016__uicontrol172702221292"><b>Yes</b></span>.</span></li><li id="das_03_0016__li650192913916"><span>On the <span class="uicontrol" id="das_03_0016__uicontrol42201311614"><b>History Logs</b></span> tab page, view your sessions killed through the emergency channel.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0027.html">Sessions</a></div>
</div>
</div>

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<h1 class="topictitle1">Slow Query Logs</h1>
<div id="body1581490966198"><div class="section" id="das_03_0017__section1479062101110"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0017__ol181115339416"><li id="das_03_0017__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0017__li2145113319114"><span>On the <strong id="das_03_0017__b5613103441312">Overview</strong> page, click <strong id="das_03_0017__b162273418131">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0017__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0017__b187141336141318">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0017__li581367183111"><span>On the <strong id="das_03_0017__b1564174061015">SQL</strong> tab page, click <strong id="das_03_0017__b311593111114">Slow Query Logs</strong> to view the slow SQL trend of the current instance.</span></li><li id="das_03_0017__li1330410173545"><span>Set your desired time range or select <strong id="das_03_0017__b4275103415135">Last 1 hour</strong>, <strong id="das_03_0017__b5109101170">Last 6 hours</strong>, or <strong id="das_03_0017__b3719115661616">Last 1 day</strong> to view the corresponding slow query logs, CPU usage, and archived slow query logs.</span></li><li id="das_03_0017__li1276813215449"><span>Click <span class="uicontrol" id="das_03_0017__uicontrol1099491544316"><b>Enable DAS Slow Query Log</b></span>. In the displayed dialog box, read and agree to the security agreement, and click <span class="uicontrol" id="das_03_0017__uicontrol3999515114318"><b>OK</b></span>.</span></li><li id="das_03_0017__li1630518911201"><span>On the lower part of the <strong id="das_03_0017__b19342111933218">Log Trends</strong> tab page, view the statistics and details of slow query logs.</span><p><ul id="das_03_0017__ul12453101415258"><li id="das_03_0017__li19355165842518">Query and view slow query logs by database name.</li><li id="das_03_0017__li64535148251">Click <span class="uicontrol" id="das_03_0017__uicontrol1272333017267"><b>Export Slow Query Log</b></span> to export the slow query logs.</li><li id="das_03_0017__li16453114172519">Click <span class="uicontrol" id="das_03_0017__uicontrol532352022415"><b>Export History</b></span> to view the export history of slow query logs.</li></ul>
</p></li><li id="das_03_0017__li3832151854219"><span>On the <strong id="das_03_0017__b6243175918315">Log Archiving</strong> tab page, obtain the slow query log files of the current DB instance in either of the following ways: (The archiving function saves slow query log files generated in the last 10 days.)</span><p><ul id="das_03_0017__ul1721920175810"><li id="das_03_0017__li77262010588">Click <strong id="das_03_0017__b1873183055717">Generate Latest Log File</strong>.</li><li id="das_03_0017__li388711101212">DAS automatically generates a slow query log every time the log data reaches 50 MB.</li></ul>
</p></li><li id="das_03_0017__li2416118517"><span>In the slow query log list, click <span class="uicontrol" id="das_03_0017__uicontrol106099471256"><b>Download</b></span> to download and view log data.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0028.html">SQL</a></div>
</div>
</div>

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<h1 class="topictitle1">Function Overview</h1>
<div id="body1599016159118"><div class="section" id="das_03_0025__section1952710375112"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0025__ol115581422111117"><li id="das_03_0025__li12558182271112"><span>On the DAS console, choose <span class="uicontrol" id="das_03_0025__uicontrol924917202122"><b>Intelligent O&amp;M</b></span> to go to the instance overview page of Intelligent O&amp;M.</span></li><li id="das_03_0025__li17554141581215"><span>In the <strong id="das_03_0025__b117431648202015">Instance Overview</strong> area, click <strong id="das_03_0025__b1331861419217">Set Displayed Metrics</strong> to specify the performance metrics to display.</span></li><li id="das_03_0025__li7103848103018"><span>After specifying the metrics, click <strong id="das_03_0025__b97022820125">OK</strong>.</span></li><li id="das_03_0025__li16698164822317"><span>Click <strong id="das_03_0025__b156790121181">Details</strong> of an instance to go to the Intelligent O&amp;M details page.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
</div>
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<h1 class="topictitle1">Performance</h1>
<div id="body1599030201258"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="das_03_0034.html">Real-Time Diagnosis</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_03_0035.html">Real-Time Performance</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_03_0036.html">Performance History</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_03_0037.html">Performance Trends Comparisons</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_03_0038.html">Custom Graphs</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
</div>
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<h1 class="topictitle1">Sessions</h1>
<div id="body1599030201258"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="das_03_0011.html">Real-Time Sessions</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_03_0016.html">Emergency Channel</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
</div>
</div>

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<h1 class="topictitle1">SQL</h1>
<div id="body1599030201258"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="das_03_0017.html">Slow Query Logs</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_03_0015.html">SQL Explorer</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_04_0100.html">SQL Diagnosis</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
</div>
</div>

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<h1 class="topictitle1">Space</h1>
<div id="body1599030201258"></div>
<div>
<ul class="ullinks">
<li class="ulchildlink"><strong><a href="das_03_0039.html">Instance Space</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="das_03_0040.html">Database Space</a></strong><br>
</li>
</ul>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
</div>
</div>

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<h1 class="topictitle1">Binlog</h1>
<div id="body1599030201258"><div class="note" id="das_03_0030__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_03_0030__p144620612510">GaussDB(for MySQL) DB instances are currently not supported.</p>
</div></div>
<div class="section" id="das_03_0030__section8332163932915"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0030__ol1314114919495"><li id="das_03_0030__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0030__li2145113319114"><span>On the <strong id="das_03_0030__b7223154314149">Overview</strong> page, click <strong id="das_03_0030__b723284313147">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0030__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0030__b25659451146">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0030__li82054792914"><span>On the <strong id="das_03_0030__b32571746204014">binlog</strong> tab page, click <strong id="das_03_0030__b3154185813405">Latest Logs</strong>. On the displayed page, locate the target file and click <strong id="das_03_0030__b13519130124812">Parse</strong> in the <strong id="das_03_0030__b205201223483">Operation</strong> column to parse the file.</span></li><li id="das_03_0030__li3194512182316"><span>On the <strong id="das_03_0030__b13254258204918">Archived Logs</strong> tab page, select a time range to view log files archived during this period.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
</div>
</div>

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<h1 class="topictitle1">Parameters</h1>
<div id="body1599030201258"><div class="note" id="das_03_0031__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_03_0031__p144620612510">GaussDB(for MySQL) DB instances are currently not supported.</p>
</div></div>
<div class="section" id="das_03_0031__section72051939185412"><h4 class="sectiontitle">Memory Parameter Setting Diagnosis</h4><ol id="das_03_0031__ol1314114919495"><li id="das_03_0031__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0031__li2145113319114"><span>On the <strong id="das_03_0031__b10290251131415">Overview</strong> page, click <strong id="das_03_0031__b12997519143">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0031__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0031__b1725714585148">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0031__li339010195229"><span>Choose <strong id="das_03_0031__b6921139750">Parameters</strong> &gt; <strong id="das_03_0031__b223514133512">Memory Parameter Setting Diagnosis</strong>.</span></li><li id="das_03_0031__li17289921202"><span>On the displayed page, adjust parameter settings to estimate the maximum available memory for MySQL.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
</div>
</div>

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<h1 class="topictitle1">Daily Reports</h1>
<div id="body1599030201258"><div class="section" id="das_03_0032__section16167144964310"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0032__ol1314114919495"><li id="das_03_0032__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0032__li2145113319114"><span>On the <strong id="das_03_0032__b12328192881518">Overview</strong> page, click <strong id="das_03_0032__b5337728181511">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0032__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0032__b2835183031518">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0032__li3149135017264"><span>On the displayed page, choose <strong id="das_03_0032__b528315612116">Daily Reports</strong> &gt; <strong id="das_03_0032__b122931912171318">Diagnosis Overview</strong> and click <strong id="das_03_0032__b21292516134">Diagnose</strong> to diagnose the current instance.</span><p><p id="das_03_0032__p1633115517269">You can also click <strong id="das_03_0032__b43421140131412">View History Report</strong> to view historical diagnosis reports.</p>
</p></li><li id="das_03_0032__li1099915172502"><span>On the <strong id="das_03_0032__b495015592215">Analysis Dimensions</strong> page, view report details.</span></li><li id="das_03_0032__li20688183754912"><span>Click <strong id="das_03_0032__b7629139102116">Specified Analysis</strong> to view the details in a report, including slow SQL analysis, full SQL analysis, SQL type analysis, performance and disk analysis, performance trend graphs, tablespace analysis, and event analysis.</span><p><div class="note" id="das_03_0032__note7518183915503"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_03_0032__ul6698195651013"><li id="das_03_0032__li116981656201017">Click <strong id="das_03_0032__b9405121053110">Download</strong> to the upper right corner of the <strong id="das_03_0032__b683514353295">Today's Report</strong> page to download the diagnosis report to your local PC.</li><li id="das_03_0032__li0586115512564">Click <strong id="das_03_0032__b1853594893017">Subscribe</strong> and enter your email to have the diagnosis report emailed to you. Pay attention to the following precautions before subscribing to diagnosis reports:<ul id="das_03_0032__ul151342418589"><li id="das_03_0032__li1968621385817">The subscription function depends on the SMN service.</li><li id="das_03_0032__li14131846919">Diagnosis reports will be emailed to you only after you have subscribed to diagnosis reports and the diagnosis result is abnormal.</li></ul>
</li></ul>
</div></div>
</p></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
</div>
</div>

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<a name="das_03_0034"></a><a name="das_03_0034"></a>
<h1 class="topictitle1">Real-Time Diagnosis</h1>
<div id="body1599033852740"><div class="section" id="das_03_0034__section31574113514"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0034__ol11647152514128"><li id="das_03_0034__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0034__li2145113319114"><span>On the <strong id="das_03_0034__b18694417121">Overview</strong> page, click <strong id="das_03_0034__b1887812417126">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0034__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0034__b1186055710302">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0034__li176471925101217"><span>Choose <strong id="das_03_0034__b10813182410311">Performance</strong> &gt; <strong id="das_03_0034__b54151610173216">Real-Time Diagnosis</strong>.</span></li><li id="das_03_0034__li171582891219"><span>On the <strong id="das_03_0034__b821252803916">Real-Time Diagnosis</strong> tab page, view the current resource usages, real-time performance, and slow query logs of the instance.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0026.html">Performance</a></div>
</div>
</div>

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<a name="das_03_0035"></a><a name="das_03_0035"></a>
<h1 class="topictitle1">Real-Time Performance</h1>
<div id="body1599033852740"><div class="section" id="das_03_0035__section1994220311514"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0035__ol76771041192310"><li id="das_03_0035__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0035__li2145113319114"><span>On the <strong id="das_03_0035__b762911279123">Overview</strong> page, click <strong id="das_03_0035__b7636192717127">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0035__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0035__b7920133213123">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0035__li237313220277"><span>On the <strong id="das_03_0035__b11412102764411">Real-Time Performance</strong> tab page, view the server uptime, connection information, and buffer pool.</span></li><li id="das_03_0035__li367824119232"><span>Click <strong id="das_03_0035__b13695172055313">Start</strong>/<strong id="das_03_0035__b4941132413531">Pause</strong> or change the time interval (1 to 10 seconds) to adjust the performance monitoring. You can also click <strong id="das_03_0035__b16753132558">Set Metric</strong> to specify required metrics based on service requirements.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0026.html">Performance</a></div>
</div>
</div>

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<h1 class="topictitle1">Performance History</h1>
<div id="body1599033852740"><div class="section" id="das_03_0036__section2628165220510"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0036__ol126725712427"><li id="das_03_0036__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0036__li2145113319114"><span>On the <strong id="das_03_0036__b87481938101220">Overview</strong> page, click <strong id="das_03_0036__b107567385122">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0036__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0036__b189619417126">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0036__li10309103144312"><span>Choose <strong id="das_03_0036__b10938114410291">Performance</strong> &gt; <strong id="das_03_0036__b8939344172913">Performance History</strong> to view performance graphs of instance metrics.</span></li><li id="das_03_0036__li79921117317"><span>Click <span class="uicontrol" id="das_03_0036__uicontrol5886152010575"><b>Select Metric</b></span> to specify your desired metrics and click <span class="uicontrol" id="das_03_0036__uicontrol1288782045715"><b>OK</b></span>.</span><p><p id="das_03_0036__p17814310273">Set a time range in the upper right corner so that you can view the DB instance performance during this period. You can also click <strong id="das_03_0036__b1486082917250">Detail</strong> on each metric performance graph to set the time range.</p>
</p></li><li id="das_03_0036__li1779940104015"><span>Enable <span class="uicontrol" id="das_03_0036__uicontrol19500632142515"><b>Interactive Graph</b></span> to view the performance of other metrics at the same time.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0026.html">Performance</a></div>
</div>
</div>

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<a name="das_03_0037"></a><a name="das_03_0037"></a>
<h1 class="topictitle1">Performance Trends Comparisons</h1>
<div id="body1599033852740"><div class="section" id="das_03_0037__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0037__ol93493469568"><li id="das_03_0037__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0037__li2145113319114"><span>On the <strong id="das_03_0037__b113081747201212">Overview</strong> page, click <strong id="das_03_0037__b93141847121217">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0037__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0037__b1951364931213">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0037__li10349946195620"><span>On the <strong id="das_03_0037__b15215211385">Performance Trends Comparisons</strong> tab page, view the historical performance changes of the current instance at the same time on different days.</span></li><li id="das_03_0037__li203498460569"><span>Click <span class="uicontrol" id="das_03_0037__uicontrol9280149124420"><b>Select Metric</b></span> to specify your desired metrics, and click <span class="uicontrol" id="das_03_0037__uicontrol102812974413"><b>OK</b></span>.</span></li><li id="das_03_0037__li1535014615562"><span>Set the date and time period so that you can view the performance data during this period. Alternatively, click <strong id="das_03_0037__b19535315457">Detail</strong> on each metric performance graph to set the date and time range.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0026.html">Performance</a></div>
</div>
</div>

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<h1 class="topictitle1">Custom Graphs</h1>
<div id="body1599033852740"><div class="section" id="das_03_0038__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0038__ol93493469568"><li id="das_03_0038__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0038__li2145113319114"><span>On the <strong id="das_03_0038__b3518556121">Overview</strong> page, click <strong id="das_03_0038__b1812165519126">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0038__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0038__b1082265718127">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0038__li10349946195620"><span>On the <strong id="das_03_0038__b495724015174">Custom Graphs</strong> tab page, customize the metrics you want to view.</span></li><li id="das_03_0038__li203498460569"><span>Click <strong id="das_03_0038__b824675620507">Create Graph</strong>, enter a graph name, select the required metrics, and click <strong id="das_03_0038__b12173152419516">OK</strong> to view performance history in a graph.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0026.html">Performance</a></div>
</div>
</div>

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<h1 class="topictitle1">Instance Space</h1>
<div id="body1599037246196"><div class="section" id="das_03_0039__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0039__ol93493469568"><li id="das_03_0039__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0039__li2145113319114"><span>On the <strong id="das_03_0039__b10943131921418">Overview</strong> page, click <strong id="das_03_0039__b595061941414">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0039__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0039__b7214182241416">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0039__li10349946195620"><span>On the <strong id="das_03_0039__b111965525820">Space</strong> tab page, click <strong id="das_03_0039__b48151742597">Instance Space</strong> to view the space usage and usage trend of the current instance.</span></li><li id="das_03_0039__li1535014615562"><span>View the space usage trend by setting a specific time range.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0029.html">Space</a></div>
</div>
</div>

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<h1 class="topictitle1">Database Space</h1>
<div id="body1599037246196"><div class="section" id="das_03_0040__section1479062101110"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0040__ol145983882214"><li id="das_03_0040__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0040__li2145113319114"><span>On the <strong id="das_03_0040__b20163011411">Overview</strong> page, click <strong id="das_03_0040__b111014305141">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0040__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0040__b1427083251416">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0040__li108341492177"><span>On the <strong id="das_03_0040__b1980418056">Space</strong> tab page, select <strong id="das_03_0040__b796412258511">Database Space</strong> to view the space usage and fragmentation rate of a database.</span></li><li id="das_03_0040__li46951150163015"><span>Locate the target database, and click <span class="uicontrol" id="das_03_0040__uicontrol678415141888"><b>Database Space &amp; Metadata Analysis</b></span> in the <strong id="das_03_0040__b578512141088">Operation</strong> column.</span></li><li id="das_03_0040__li193729523916"><span>On the <strong id="das_03_0040__b101304521211">Tables</strong> tab page, locate the target table and click <span class="uicontrol" id="das_03_0040__uicontrol3919101731118"><b>Table Details</b></span> in the <strong id="das_03_0040__b7919141791114">Operation</strong> column to view table details.</span></li><li id="das_03_0040__li1841161613407"><span>Click <strong id="das_03_0040__b1128464191917">Table Space Overview</strong> in the <strong id="das_03_0040__b173445241178">Operation</strong> column o view the table space usage.</span></li><li id="das_03_0040__li15904239354"><span>On the <span class="uicontrol" id="das_03_0040__uicontrol16909102313617"><b>Database Space Overview</b></span> page, view the database space usage trend by specifying a specific time range.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0029.html">Space</a></div>
</div>
</div>

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