forked from docs/doc-exports
Su, Xiaomeng
04d4597cf3
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com> Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
23 lines
2.1 KiB
HTML
23 lines
2.1 KiB
HTML
<a name="dli_08_0295"></a><a name="dli_08_0295"></a>
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<h1 class="topictitle1">CREATE VIEW</h1>
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<div id="body8662426"><div class="section" id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_section16504719106"><h4 class="sectiontitle">Syntax</h4><pre class="screen" id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_screen162243271009">CREATE VIEW [IF NOT EXISTS] view_name
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[{columnName [, columnName ]* }] [COMMENT view_comment]
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AS query_expression</pre>
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</div>
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<div class="section" id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_section183089392017"><h4 class="sectiontitle">Function</h4><p id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_p126112237144">Create a view with multiple layers nested in it to simplify the development process.</p>
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</div>
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<div class="section" id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_section116236818"><h4 class="sectiontitle">Description</h4><p id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_p115837207116"><strong id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_b8926433211">IF NOT EXISTS</strong></p>
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<p id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_p175830202014">If the view already exists, nothing happens.</p>
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</div>
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<div class="section" id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_section782675114136"><h4 class="sectiontitle">Example</h4><p id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_p11481194121412">Create a view named <strong id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_b9668132017">viewName</strong>.</p>
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<pre class="screen" id="dli_08_0295__en-us_topic_0000001119072188_en-us_topic_0000001134529329_screen3548125661319">create view viewName as select * from dataSource</pre>
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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="dli_08_0293.html">Data Definition Language (DDL)</a></div>
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</div>
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</div>
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