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>
49 lines
4.8 KiB
HTML
49 lines
4.8 KiB
HTML
<a name="dli_08_0074"></a><a name="dli_08_0074"></a>
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<h1 class="topictitle1">Viewing All Databases</h1>
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<div id="body8662426"><div class="section" id="dli_08_0074__en-us_topic_0114776168_en-us_topic_0093946767_scb8fb8019822497fa6172b288dee9366"><h4 class="sectiontitle">Function</h4><p id="dli_08_0074__en-us_topic_0114776168_en-us_topic_0093946767_a18355f1551ad4c2b991d9b76e8e8d508">This syntax is used to query all current databases.</p>
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</div>
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<div class="section" id="dli_08_0074__en-us_topic_0114776168_en-us_topic_0093946767_s2f32e27d18094d6b9dcdd060c812e90e"><h4 class="sectiontitle">Syntax</h4><div class="codecoloring" codetype="Sql" id="dli_08_0074__en-us_topic_0114776168_screen1312143018918"><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">SHOW</span><span class="w"> </span><span class="p">[</span><span class="n">DATABASES</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">SCHEMAS</span><span class="p">]</span><span class="w"> </span><span class="p">[</span><span class="k">LIKE</span><span class="w"> </span><span class="n">regex_expression</span><span class="p">];</span>
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</pre></div></td></tr></table></div>
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</div>
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</div>
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<div class="section" id="dli_08_0074__en-us_topic_0114776168_en-us_topic_0093946767_s048cef1892e14c66b05ea6a6dacd97cc"><h4 class="sectiontitle">Keywords</h4><p id="dli_08_0074__en-us_topic_0114776168_en-us_topic_0093946767_a6cc9d32172d44bfb82a9ee94318e6629">None</p>
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</div>
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<div class="section" id="dli_08_0074__en-us_topic_0114776170_section1130610201331"><h4 class="sectiontitle">Parameters</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="dli_08_0074__en-us_topic_0114776170_table137579239220" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameter</caption><thead align="left"><tr id="dli_08_0074__en-us_topic_0114776170_row17564232219"><th align="left" class="cellrowborder" valign="top" width="21.3%" id="mcps1.3.4.2.2.3.1.1"><p id="dli_08_0074__en-us_topic_0114776170_p3756152318220">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="78.7%" id="mcps1.3.4.2.2.3.1.2"><p id="dli_08_0074__en-us_topic_0114776170_p167561023629">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="dli_08_0074__en-us_topic_0114776170_row1375611231219"><td class="cellrowborder" valign="top" width="21.3%" headers="mcps1.3.4.2.2.3.1.1 "><p id="dli_08_0074__en-us_topic_0114776170_p107564232216">regex_expression</p>
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</td>
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<td class="cellrowborder" valign="top" width="78.7%" headers="mcps1.3.4.2.2.3.1.2 "><p id="dli_08_0074__en-us_topic_0114776170_p1575614231121">Database name</p>
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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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</div>
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<div class="section" id="dli_08_0074__en-us_topic_0114776168_en-us_topic_0093946767_se0feee7d1da745c6b7a458260a4a47d0"><h4 class="sectiontitle">Precautions</h4><p id="dli_08_0074__en-us_topic_0114776168_en-us_topic_0093946767_ab288a9876efa43fa8c37bf2026d4625b">Keyword DATABASES is equivalent to SCHEMAS. You can use either of them in this statement. </p>
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</div>
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<div class="section" id="dli_08_0074__en-us_topic_0114776168_en-us_topic_0093946767_s92f8698288224b3286bfb9c75096c6d9"><h4 class="sectiontitle">Example</h4><p id="dli_08_0074__en-us_topic_0114776168_en-us_topic_0093946767_a930414cdf36b4c0ab990680ce78e28d7">View all the current databases.</p>
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<div class="codecoloring" codetype="Sql" id="dli_08_0074__en-us_topic_0114776168_screen157313563915"><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">SHOW</span><span class="w"> </span><span class="n">DATABASES</span><span class="p">;</span>
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</pre></div></td></tr></table></div>
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</div>
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<p id="dli_08_0074__en-us_topic_0114776168_en-us_topic_0093946767_a0f803f31c7ab4dc18e2da745fe6d6332">View all databases whose names start with <strong id="dli_08_0074__b1027257145911">test</strong>.</p>
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<div class="codecoloring" codetype="Sql" id="dli_08_0074__en-us_topic_0114776168_screen196949917108"><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">SHOW</span><span class="w"> </span><span class="n">DATABASES</span><span class="w"> </span><span class="k">LIKE</span><span class="w"> </span><span class="ss">"test.*"</span><span class="p">;</span>
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</pre></div></td></tr></table></div>
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</div>
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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_0070.html">Databases</a></div>
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</div>
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</div>
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