forked from docs/doc-exports
Lu, Huayi
e6fa411af0
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
33 lines
4.7 KiB
HTML
33 lines
4.7 KiB
HTML
<a name="EN-US_TOPIC_0000001233708685"></a><a name="EN-US_TOPIC_0000001233708685"></a>
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<h1 class="topictitle1">DROP SERVER</h1>
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<div id="body8662426"><div class="section" id="EN-US_TOPIC_0000001233708685__sac43a36fc4584291b3f982cffd2f1c5e"><h4 class="sectiontitle">Function</h4><p id="EN-US_TOPIC_0000001233708685__ae645c03d9891404f903f7a2ea4a9d088"><strong id="EN-US_TOPIC_0000001233708685__en-us_topic_0058965555_b1174566953131248">DROP SERVER</strong> deletes an existing data server.</p>
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</div>
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<div class="section" id="EN-US_TOPIC_0000001233708685__s2a8623a1da274962ae7221e730ff8bd2"><h4 class="sectiontitle">Precautions</h4><p id="EN-US_TOPIC_0000001233708685__af6d5285915f540a38ba39e3ee874716e">Only the server owner can delete a server.</p>
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</div>
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<div class="section" id="EN-US_TOPIC_0000001233708685__s14f36ca21e0f4a0ebd90747b4903ece2"><h4 class="sectiontitle">Syntax</h4><div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233708685__s9702919e7d04498c88c3542d8cb6f993"><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="n">SERVER</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="k">IF</span><span class="w"> </span><span class="k">EXISTS</span><span class="w"> </span><span class="p">]</span><span class="w"> </span><span class="k">server_name</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="err">{</span><span class="k">CASCADE</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="k">RESTRICT</span><span class="err">}</span><span class="w"> </span><span class="p">]</span><span class="w"> </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="EN-US_TOPIC_0000001233708685__sb96797285efa4317bf1f090d0cb04672"><h4 class="sectiontitle">Parameter Description</h4><ul id="EN-US_TOPIC_0000001233708685__u8d9591caae194f5b80e772af8b17247d"><li id="EN-US_TOPIC_0000001233708685__l61d605616c7f495194e2040e36658748"><strong id="EN-US_TOPIC_0000001233708685__ab4a55f5667bb41658efa9906f50d8cd9">IF EXISTS</strong><p id="EN-US_TOPIC_0000001233708685__adc0273b48e0142548f2a590858922b14">Sends a notice instead of an error if the specified table does not exist. </p>
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</li><li id="EN-US_TOPIC_0000001233708685__l267554a634254d809274332f29e0915c"><strong id="EN-US_TOPIC_0000001233708685__a84d9b56300fa4f66b2f7093275f85dd8">server_name</strong><p id="EN-US_TOPIC_0000001233708685__a00df00756d984fa98d0a772156109c7f">Specifies the name of a server.</p>
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</li><li id="EN-US_TOPIC_0000001233708685__ldcf79934b5ea4d7888ea69264f09e16e"><strong id="EN-US_TOPIC_0000001233708685__ad2fe95eed42e431784545d917460d8c0">CASCADE | RESTRICT</strong><ul id="EN-US_TOPIC_0000001233708685__u3b5c207f85204cc3880cf22cbf83a1b7"><li id="EN-US_TOPIC_0000001233708685__l03d25d81309a42138d338f052ba37f54"><strong id="EN-US_TOPIC_0000001233708685__en-us_topic_0040045374_b842352706101851">CASCADE</strong>: automatically drops objects that depend on the server to be deleted.</li><li id="EN-US_TOPIC_0000001233708685__la033d770f818471e97bdcc1fd1328fa6"><strong id="EN-US_TOPIC_0000001233708685__en-us_topic_0040045374_b842352706101857">RESTRICT</strong> (default): refuses to delete the server if any objects depend on it.</li></ul>
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</li></ul>
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</div>
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<div class="section" id="EN-US_TOPIC_0000001233708685__sd68189bed9bf4e719c7df1a3559fdb6d"><h4 class="sectiontitle">Examples</h4><p id="EN-US_TOPIC_0000001233708685__p26799271074">Delete the <strong id="EN-US_TOPIC_0000001233708685__b34413527333621">hdfs_server</strong> server:</p>
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<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233708685__screen9112184519618"><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="n">SERVER</span><span class="w"> </span><span class="n">hdfs_server</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="EN-US_TOPIC_0000001233708685__sbfbbf8a8078b495b9e4ed3a459a7fc37"><h4 class="sectiontitle">Helpful Links</h4><p id="EN-US_TOPIC_0000001233708685__abac143991a694bcb8ac1f177fb0babac"><a href="dws_06_0175.html">CREATE SERVER</a>, <a href="dws_06_0138.html">ALTER SERVER</a></p>
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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="dws_06_0118.html">DDL Syntax</a></div>
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</div>
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