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chenxiaoxiong
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Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: chenxiaoxiong <chenxiaoxiong@huawei.com> Co-committed-by: chenxiaoxiong <chenxiaoxiong@huawei.com>
50 lines
9.5 KiB
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50 lines
9.5 KiB
HTML
<a name="dataartsstudio_01_0405"></a><a name="dataartsstudio_01_0405"></a>
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<h1 class="topictitle1">Creating a Database</h1>
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<div id="body8662426"><p id="dataartsstudio_01_0405__en-us_topic_0125929047_p4612146105417">After creating a data connection, you can create a database on the console or using a SQL script.</p>
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<ul id="dataartsstudio_01_0405__ul152869413145"><li id="dataartsstudio_01_0405__li192862041181410">(Recommended) Console: You can directly create a database on the <span id="dataartsstudio_01_0405__text08942041161617">DataArts Studio</span> DataArts Factory console with no code.</li><li id="dataartsstudio_01_0405__li1457411432148">SQL script: You can also develop and execute a SQL script for creating a database in the SQL editor of <span id="dataartsstudio_01_0405__text821523151915">DataArts Studio</span>'s DataArts Factory module or a data lake product, and then use the script to create a database.</li></ul>
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<p id="dataartsstudio_01_0405__p1279934420179">This section describes how to create a database on the DataArts Factory console.</p>
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<div class="section" id="dataartsstudio_01_0405__en-us_topic_0125929047_section1841382616424"><h4 class="sectiontitle">Prerequisites</h4><ul id="dataartsstudio_01_0405__ul16892418134312"><li id="dataartsstudio_01_0405__li142702491419">You have already enabled the corresponding cloud services. for example, the MRS service.</li><li id="dataartsstudio_01_0405__li2088618373123">A data connection has been created. For details, see <a href="dataartsstudio_01_0404.html">Creating a Data Connection</a>.</li><li id="dataartsstudio_01_0405__li1462316157147">MRS API connections cannot be used to manage databases in a visualized mode. You are advised to create a database using SQL scripts.</li><li id="dataartsstudio_01_0405__li148920185439">Before deleting a database, ensure that the database is not in use and is not associated with any data tables.</li></ul>
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</div>
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<div class="section" id="dataartsstudio_01_0405__en-us_topic_0125929047_section132561429182712"><h4 class="sectiontitle">Creating a Database on the DataArts Factory Console</h4><ol id="dataartsstudio_01_0405__ol179411037574"><li id="dataartsstudio_01_0405__li2848154165110">Log in to the <span id="dataartsstudio_01_0405__en-us_topic_0000001987511677_en-us_topic_0000001127311125_text5574448155719">DataArts Studio</span> console by following the instructions in <a href="dataartsstudio_01_0001.html">Accessing the DataArts Studio Instance Console</a>.</li><li id="dataartsstudio_01_0405__li1816416301479">On the <span id="dataartsstudio_01_0405__en-us_topic_0181092879_text185611381448">DataArts Studio</span> console, locate a workspace and click <strong id="dataartsstudio_01_0405__en-us_topic_0181092879_b65382814249">DataArts Factory</strong>.</li><li id="dataartsstudio_01_0405__li6576131765420">In the left navigation pane of DataArts Factory, choose <span class="menucascade" id="dataartsstudio_01_0405__en-us_topic_0181092879_en-us_topic_0104967364_menucascade1889024114211"><b><span class="uicontrol" id="dataartsstudio_01_0405__en-us_topic_0181092879_en-us_topic_0104967364_uicontrol88905411627"><span id="dataartsstudio_01_0405__en-us_topic_0181092879_en-us_topic_0104967364_text6890114118213">Data Development</span></span></b> > <b><span class="uicontrol" id="dataartsstudio_01_0405__en-us_topic_0181092879_en-us_topic_0104967364_uicontrol1189017411422"><span id="dataartsstudio_01_0405__en-us_topic_0181092879_en-us_topic_0104967364_text18901411529">Develop Script</span></span></b></span>.</li><li id="dataartsstudio_01_0405__li3941137471">In the script development menu, click <span><img id="dataartsstudio_01_0405__image14233155419461" src="en-us_image_0000002234081428.png"></span>. Right-click the data connection for which you want to create a database, and choose <span class="uicontrol" id="dataartsstudio_01_0405__uicontrol156989239396"><b>Create Database</b></span> from the shortcut menu. Set the parameters based on <a href="#dataartsstudio_01_0405__en-us_topic_0125929047_table152579468513">Table 1</a>.
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<div class="tablenoborder"><a name="dataartsstudio_01_0405__en-us_topic_0125929047_table152579468513"></a><a name="en-us_topic_0125929047_table152579468513"></a><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_0405__en-us_topic_0125929047_table152579468513" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Creating a database</caption><thead align="left"><tr id="dataartsstudio_01_0405__en-us_topic_0125929047_row8289104615512"><th align="left" class="cellrowborder" valign="top" width="17.51%" id="mcps1.3.5.2.4.4.2.4.1.1"><p id="dataartsstudio_01_0405__en-us_topic_0125929047_p19289194619514">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="11.21%" id="mcps1.3.5.2.4.4.2.4.1.2"><p id="dataartsstudio_01_0405__en-us_topic_0125929047_p83051446557">Mandatory</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="71.28%" id="mcps1.3.5.2.4.4.2.4.1.3"><p id="dataartsstudio_01_0405__en-us_topic_0125929047_p2305174613517">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="dataartsstudio_01_0405__en-us_topic_0125929047_row931915468515"><td class="cellrowborder" valign="top" width="17.51%" headers="mcps1.3.5.2.4.4.2.4.1.1 "><p id="dataartsstudio_01_0405__en-us_topic_0125929047_p11282922616">Database Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="11.21%" headers="mcps1.3.5.2.4.4.2.4.1.2 "><p id="dataartsstudio_01_0405__en-us_topic_0125929047_p19319546856">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="71.28%" headers="mcps1.3.5.2.4.4.2.4.1.3 "><p id="dataartsstudio_01_0405__en-us_topic_0125929047_p584222710563">Name of a database. The naming rules are as follows:</p>
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<ul id="dataartsstudio_01_0405__en-us_topic_0125929047_ul20333164745214"><li id="dataartsstudio_01_0405__en-us_topic_0125929047_li933324716526"><span id="dataartsstudio_01_0405__en-us_topic_0125929047_text162471043133815">DLI</span>: The value must contain only numbers, letters, and underscores (_). It cannot start with an underscore (_) or contain only numbers.</li><li id="dataartsstudio_01_0405__en-us_topic_0125929047_li12527325135316">DWS: The value must contain only numbers, letters, and underscores (_). It cannot start with an underscore (_) or contain only numbers.</li><li id="dataartsstudio_01_0405__en-us_topic_0125929047_li588684110537">MRS Hive: The value must contain 1 to 128 characters, including only letters, numbers, and underscores (_). It must start with a number or letter and cannot contain only numbers.</li></ul>
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</td>
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</tr>
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<tr id="dataartsstudio_01_0405__en-us_topic_0125929047_row1733612461520"><td class="cellrowborder" valign="top" width="17.51%" headers="mcps1.3.5.2.4.4.2.4.1.1 "><p id="dataartsstudio_01_0405__en-us_topic_0125929047_p20336114615520">Description</p>
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</td>
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<td class="cellrowborder" valign="top" width="11.21%" headers="mcps1.3.5.2.4.4.2.4.1.2 "><p id="dataartsstudio_01_0405__en-us_topic_0125929047_p1933617466519">No</p>
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</td>
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<td class="cellrowborder" valign="top" width="71.28%" headers="mcps1.3.5.2.4.4.2.4.1.3 "><p id="dataartsstudio_01_0405__en-us_topic_0125929047_p8779123334215">Descriptive information about the database. The requirements are as follows:</p>
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<ul id="dataartsstudio_01_0405__en-us_topic_0125929047_ul1936862634116"><li id="dataartsstudio_01_0405__en-us_topic_0125929047_li10822123684116"><span id="dataartsstudio_01_0405__en-us_topic_0125929047_text571618466388">DLI</span>: The value contains a maximum of 256 characters.</li><li id="dataartsstudio_01_0405__en-us_topic_0125929047_li587245443817">DWS: The value contains a maximum of 1,024 characters.</li><li id="dataartsstudio_01_0405__en-us_topic_0125929047_li6368182684113">MRS Hive: The value contains a maximum of 1,024 characters.</li></ul>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</li><li id="dataartsstudio_01_0405__li89415374715">Click <span class="uicontrol" id="dataartsstudio_01_0405__en-us_topic_0125929047_uicontrol1265116497177"><b>OK</b></span>.</li></ol>
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</div>
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<div class="section" id="dataartsstudio_01_0405__en-us_topic_0000001629752664_section11218546133410"><h4 class="sectiontitle">Related Operations</h4><ul id="dataartsstudio_01_0405__en-us_topic_0000001629752664_ul4546171163518"><li id="dataartsstudio_01_0405__en-us_topic_0000001629752664_li85469173513">Modify a database: In the script development menu, click <span><img id="dataartsstudio_01_0405__image113961044124912" src="en-us_image_0000002269120645.png"></span>. Expand a data connection, right-click a database name, select <span class="uicontrol" id="dataartsstudio_01_0405__uicontrol144743536394"><b>Edit</b></span>, and modify the database information.</li><li id="dataartsstudio_01_0405__li1918511418522">Delete a database: In the script development menu, click <span><img id="dataartsstudio_01_0405__image1120264510492" src="en-us_image_0000002234081440.png"></span>. Expand a data connection, right-click a database name, select <span class="uicontrol" id="dataartsstudio_01_0405__uicontrol4577536407"><b>Delete</b></span>, and click <strong id="dataartsstudio_01_0405__b0577113144012">OK</strong> in the displayed dialog box.<div class="note" id="dataartsstudio_01_0405__note87872058104617"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dataartsstudio_01_0405__p179063350598">Deleted databases cannot be recovered. Exercise caution when performing this operation.</p>
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</div></div>
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</li></ul>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dataartsstudio_01_0403.html">Data Management</a></div>
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</div>
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</div>
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