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doc-exports/docs/dws/tool/dws_16_0121.html
luhuayi a5e3903f6b DWS TG 910.211 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: luhuayi <luhuayi@huawei.com>
Co-committed-by: luhuayi <luhuayi@huawei.com>
2025-04-23 13:53:01 +00:00

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<a name="EN-US_TOPIC_0000001813598732"></a><a name="EN-US_TOPIC_0000001813598732"></a>
<h1 class="topictitle1">ALTER TABLE RENAME</h1>
<div id="body8662426"><p id="EN-US_TOPIC_0000001813598732__en-us_topic_0000001398482164_p8060118">GaussDB(DWS) prohibits including schema names in the <strong id="EN-US_TOPIC_0000001813598732__en-us_topic_0000001398482164_b9137344133713">rename</strong> clause, therefore, DSC supports renaming solely within the same schema. Renaming within the same schema omits the schema clause from the conversion result, while attempts to rename across schemas trigger an error report.</p>
<p id="EN-US_TOPIC_0000001813598732__en-us_topic_0000001398482164_p712835684417"><strong id="EN-US_TOPIC_0000001813598732__en-us_topic_0000001398482164_b11771161610455">Input</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001813598732__en-us_topic_0000001398482164_screen964739124513"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">ALTER</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="o">`</span><span class="n">shce1</span><span class="o">`</span><span class="p">.</span><span class="o">`</span><span class="n">t1</span><span class="o">`</span><span class="w"> </span><span class="k">rename</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="o">`</span><span class="n">t2</span><span class="o">`</span><span class="p">;</span>
<span class="k">ALTER</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="o">`</span><span class="n">shce1</span><span class="o">`</span><span class="p">.</span><span class="o">`</span><span class="n">t1</span><span class="o">`</span><span class="w"> </span><span class="k">rename</span><span class="w"> </span><span class="k">to</span><span class="w"> </span><span class="n">t2</span><span class="p">;</span>
<span class="k">ALTER</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="o">`</span><span class="n">charge_data</span><span class="o">`</span><span class="p">.</span><span class="o">`</span><span class="n">group_shengfen2022</span><span class="o">`</span><span class="w"> </span><span class="k">RENAME</span><span class="w"> </span><span class="o">`</span><span class="n">charge_data</span><span class="o">`</span><span class="p">.</span><span class="o">`</span><span class="n">group_shengfen2022_jiu</span><span class="o">`</span><span class="p">;</span>
<span class="k">ALTER</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="o">`</span><span class="n">charge_data</span><span class="o">`</span><span class="p">.</span><span class="o">`</span><span class="n">group_shengfen2022</span><span class="o">`</span><span class="w"> </span><span class="k">RENAME</span><span class="w"> </span><span class="o">`</span><span class="n">charge_data</span><span class="o">`</span><span class="p">.</span><span class="o">`</span><span class="n">group_shengfen2022_jiu</span><span class="o">`</span><span class="p">,</span><span class="w"> </span><span class="k">RENAME</span><span class="w"> </span><span class="o">`</span><span class="n">charge_data</span><span class="o">`</span><span class="p">.</span><span class="o">`</span><span class="n">group_shengfen2023_jiu</span><span class="o">`</span><span class="p">,</span><span class="w"> </span><span class="k">RENAME</span><span class="w"> </span><span class="o">`</span><span class="n">charge_data</span><span class="o">`</span><span class="p">.</span><span class="o">`</span><span class="n">group_shengfen2024_jiu</span><span class="o">`</span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001813598732__en-us_topic_0000001398482164_p981414459"><strong id="EN-US_TOPIC_0000001813598732__en-us_topic_0000001398482164_b843718195457">Output</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001813598732__en-us_topic_0000001398482164_screen1156413104513"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">ALTER</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="ss">&quot;shce1&quot;</span><span class="p">.</span><span class="ss">&quot;t1&quot;</span><span class="w"> </span><span class="k">RENAME</span><span class="w"> </span><span class="k">TO</span><span class="w"> </span><span class="ss">&quot;t2&quot;</span><span class="p">;</span>
<span class="k">ALTER</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="ss">&quot;shce1&quot;</span><span class="p">.</span><span class="ss">&quot;t1&quot;</span><span class="w"> </span><span class="k">RENAME</span><span class="w"> </span><span class="k">TO</span><span class="w"> </span><span class="ss">&quot;t2&quot;</span><span class="p">;</span>
<span class="k">ALTER</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="ss">&quot;charge_data&quot;</span><span class="p">.</span><span class="ss">&quot;group_shengfen2022&quot;</span><span class="w"> </span><span class="k">RENAME</span><span class="w"> </span><span class="k">TO</span><span class="w"> </span><span class="ss">&quot;group_shengfen2022_jiu&quot;</span><span class="p">;</span>
<span class="k">ALTER</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="ss">&quot;charge_data&quot;</span><span class="p">.</span><span class="ss">&quot;group_shengfen2022&quot;</span><span class="w"> </span><span class="k">RENAME</span><span class="w"> </span><span class="k">TO</span><span class="w"> </span><span class="ss">&quot;group_shengfen2022_jiu&quot;</span><span class="p">,</span><span class="w"> </span><span class="k">RENAME</span><span class="w"> </span><span class="k">TO</span><span class="w"> </span><span class="ss">&quot;group_shengfen2023_jiu&quot;</span><span class="p">,</span><span class="w"> </span><span class="k">RENAME</span><span class="w"> </span><span class="k">TO</span><span class="w"> </span><span class="ss">&quot;group_shengfen2024_jiu&quot;</span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_16_0119.html">Table (Optional Parameters and Operations)</a></div>
</div>
</div>
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