forked from docs/doc-exports
Su, Xiaomeng
76a5b1ee83
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>
28 lines
3.2 KiB
HTML
28 lines
3.2 KiB
HTML
<a name="dli_08_0131"></a><a name="dli_08_0131"></a>
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<h1 class="topictitle1">Deleting a View</h1>
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<div id="body8662426"><div class="section" id="dli_08_0131__en-us_topic_0114776225_en-us_topic_0093946963_s125d382f30b54a87bd1422c538e58a47"><h4 class="sectiontitle">Function</h4><p id="dli_08_0131__en-us_topic_0114776225_en-us_topic_0093946963_a19d68c64743e48098f6b92ef9b935474">This statement is used to delete views. </p>
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<div class="section" id="dli_08_0131__en-us_topic_0114776225_en-us_topic_0093946963_sd70a894d439d45bfbf2ab88d323d4d00"><h4 class="sectiontitle">Syntax</h4><div class="codecoloring" codetype="Sql" id="dli_08_0131__en-us_topic_0114776225_screen469182210590"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">DROP</span><span class="w"> </span><span class="k">VIEW</span><span class="w"> </span><span class="p">[</span><span class="k">IF</span><span class="w"> </span><span class="k">EXISTS</span><span class="p">]</span><span class="w"> </span><span class="p">[</span><span class="n">db_name</span><span class="p">.]</span><span class="n">view_name</span><span class="p">;</span>
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</pre></div></td></tr></table></div>
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<div class="section" id="dli_08_0131__en-us_topic_0114776225_en-us_topic_0093946963_s41aaa811d2ad47b38dd69a98b285ba35"><h4 class="sectiontitle">Keywords</h4><p id="dli_08_0131__en-us_topic_0114776225_en-us_topic_0093946963_a96eb433ec9d849f48096b6cf6e6e9ea6">DROP: Deletes the metadata of a specified view. Although views and tables have many common points, the DROP TABLE statement cannot be used to delete views. </p>
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<div class="section" id="dli_08_0131__en-us_topic_0114776225_en-us_topic_0093946963_sb5bc60eb49174509aa5df1259226d45a"><h4 class="sectiontitle">Precautions</h4><p id="dli_08_0131__en-us_topic_0114776225_en-us_topic_0093946963_a3ca5d495a6964a4b80668cf655e25bda">The to-be-deleted view must exist. If you run this statement to delete a view that does not exist, an error is reported. To avoid such an error, you can add <strong id="dli_08_0131__b9254121945710">IF EXISTS</strong> in this statement. </p>
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<div class="section" id="dli_08_0131__en-us_topic_0114776225_en-us_topic_0093946963_s9ec0547adb7344fcae68c26da3735f15"><h4 class="sectiontitle">Example</h4><p id="dli_08_0131__en-us_topic_0114776225_en-us_topic_0093946963_a19ff75b3e7704fa0a2caf282ca92dc07">To delete a view named <strong id="dli_08_0131__b1833219226575">student_view</strong>, run the following statement: </p>
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<div class="codecoloring" codetype="Sql" id="dli_08_0131__en-us_topic_0114776225_screen1156510187017"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">DROP</span><span class="w"> </span><span class="k">VIEW</span><span class="w"> </span><span class="n">student_view</span><span class="p">;</span>
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</pre></div></td></tr></table></div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dli_08_0129.html">Views</a></div>
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