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Lu, Huayi
c5fcb46315
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
28 lines
2.3 KiB
HTML
28 lines
2.3 KiB
HTML
<a name="EN-US_TOPIC_0000001211589765"></a><a name="EN-US_TOPIC_0000001211589765"></a>
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<h1 class="topictitle1">How Do I View Foreign Table Information?</h1>
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<div id="body0000001211589765"><p id="EN-US_TOPIC_0000001211589765__p8721410193316">To query information about OBS/GDS foreign tables such as OBS paths, run the following statement:</p>
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<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001211589765__screen49399582293"><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">select</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="k">from</span><span class="w"> </span><span class="n">pg_get_tabledef</span><span class="p">(</span><span class="s1">'Foreign_table_name'</span><span class="p">)</span><span class="w"></span>
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</pre></div></td></tr></table></div>
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</div>
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<p id="EN-US_TOPIC_0000001211589765__p10282171012302">The following uses table <strong id="EN-US_TOPIC_0000001211589765__b4723161163011">traffic_data.GCJL_OBS</strong> as an example:</p>
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<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001211589765__screen14305305317"><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">select</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="k">from</span><span class="w"> </span><span class="n">pg_get_tabledef</span><span class="p">(</span><span class="s1">'traffic_data.GCJL_OBS'</span><span class="p">);</span><span class="w"></span>
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</pre></div></td></tr></table></div>
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</div>
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<p id="EN-US_TOPIC_0000001211589765__p134074013301"><span><img id="EN-US_TOPIC_0000001211589765__image829361415313" src="figure/en-us_image_0000001165989868.png" width="523.6875" height="179.88808600000002" title="Click to enlarge" class="imgResize"></span></p>
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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_03_0065.html">Database Usage</a></div>
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</div>
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</div>
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<script language="JavaScript">
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