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Lu, Huayi
ef0ada5a59
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>
63 lines
5.5 KiB
HTML
63 lines
5.5 KiB
HTML
<a name="EN-US_TOPIC_0000001460563168"></a><a name="EN-US_TOPIC_0000001460563168"></a>
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<h1 class="topictitle1">PG_DESCRIPTION</h1>
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<div id="body8662426"><p id="EN-US_TOPIC_0000001460563168__en-us_topic_0059778572_p4121210525"><strong id="EN-US_TOPIC_0000001460563168__b84235270617011">PG_DESCRIPTION</strong> records optional descriptions (comments) for each database object. Descriptions of many built-in system objects are provided in the initial contents of <strong id="EN-US_TOPIC_0000001460563168__en-us_topic_0058965918_b84235270617430">PG_DESCRIPTION</strong>.</p>
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<p id="EN-US_TOPIC_0000001460563168__abd8466af21d5431aaec29e7eac40c89c">See also <a href="dws_04_0617.html">PG_SHDESCRIPTION</a>, which performs a similar function for descriptions involving objects that are shared across a database cluster.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001460563168__t51d6348992f1421b9da5ecfde026fe5f" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PG_DESCRIPTION columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001460563168__r233d20d70b1b4bc587f47272e9094356"><th align="left" class="cellrowborder" valign="top" width="16.16%" id="mcps1.3.3.2.5.1.1"><p id="EN-US_TOPIC_0000001460563168__a6fb0349b818446af9794f724b2e8b5d5">Name</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="11.28%" id="mcps1.3.3.2.5.1.2"><p id="EN-US_TOPIC_0000001460563168__aca33fd1b7e4e4f6798e99ab297d552de">Type</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="21.62%" id="mcps1.3.3.2.5.1.3"><p id="EN-US_TOPIC_0000001460563168__a834a226538eb4fde8a581fbdca071c5a">Reference</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="50.94%" id="mcps1.3.3.2.5.1.4"><p id="EN-US_TOPIC_0000001460563168__a11f6c6954b574393ba479890b48f9ff6">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="EN-US_TOPIC_0000001460563168__r29138d81784749988c57b8608396c3ea"><td class="cellrowborder" valign="top" width="16.16%" headers="mcps1.3.3.2.5.1.1 "><p id="EN-US_TOPIC_0000001460563168__ad498eaf42cee4a7694c77e0c69622349">objoid</p>
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</td>
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<td class="cellrowborder" valign="top" width="11.28%" headers="mcps1.3.3.2.5.1.2 "><p id="EN-US_TOPIC_0000001460563168__a9a08bbad567944e5965ec9985341c797">oid</p>
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</td>
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<td class="cellrowborder" valign="top" width="21.62%" headers="mcps1.3.3.2.5.1.3 "><p id="EN-US_TOPIC_0000001460563168__a1feda313a548456e8e48e62adc825db8">Any OID column</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.94%" headers="mcps1.3.3.2.5.1.4 "><p id="EN-US_TOPIC_0000001460563168__add959ba7e6554c70becea94c78e92254">OID of the object this description pertains to</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001460563168__r8fb0cd34709a42b59fbec25e577be95e"><td class="cellrowborder" valign="top" width="16.16%" headers="mcps1.3.3.2.5.1.1 "><p id="EN-US_TOPIC_0000001460563168__afc3e4d270ce04bfe9b1f4ffb9a366a27">classoid</p>
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</td>
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<td class="cellrowborder" valign="top" width="11.28%" headers="mcps1.3.3.2.5.1.2 "><p id="EN-US_TOPIC_0000001460563168__ae92b90bb2e124ba9a59a3d67c6910a4d">oid</p>
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</td>
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<td class="cellrowborder" valign="top" width="21.62%" headers="mcps1.3.3.2.5.1.3 "><p id="EN-US_TOPIC_0000001460563168__a1d33f29b5d37490db47aede318c8b280"><a href="dws_04_0578.html">PG_CLASS</a>.oid</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.94%" headers="mcps1.3.3.2.5.1.4 "><p id="EN-US_TOPIC_0000001460563168__ab6be916f59324340b3c052d1bb2e4101">OID of the system catalog this object appears in</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001460563168__r6db283aaac824486b454db04f301f498"><td class="cellrowborder" valign="top" width="16.16%" headers="mcps1.3.3.2.5.1.1 "><p id="EN-US_TOPIC_0000001460563168__a0e28205c29fc4910879c614f712cfb29">objsubid</p>
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</td>
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<td class="cellrowborder" valign="top" width="11.28%" headers="mcps1.3.3.2.5.1.2 "><p id="EN-US_TOPIC_0000001460563168__a9acdf263604e4da4938f4de18300c8cb">integer</p>
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</td>
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<td class="cellrowborder" valign="top" width="21.62%" headers="mcps1.3.3.2.5.1.3 "><p id="EN-US_TOPIC_0000001460563168__a936c57108fa74e5bb3a4536d163a919e">-</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.94%" headers="mcps1.3.3.2.5.1.4 "><p id="EN-US_TOPIC_0000001460563168__a1fbcb27072224e259b30355527d5dd77">For a comment on a table column, this is the column number (the <strong id="EN-US_TOPIC_0000001460563168__b84235270617248">objoid</strong> and <strong id="EN-US_TOPIC_0000001460563168__b84235270617252">classoid</strong> refer to the table itself). For all other object types, this column is <strong id="EN-US_TOPIC_0000001460563168__b18288175414128">0</strong>.</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001460563168__r7a0a7c032a734438982a39347de5a8ba"><td class="cellrowborder" valign="top" width="16.16%" headers="mcps1.3.3.2.5.1.1 "><p id="EN-US_TOPIC_0000001460563168__a4ae5a1f33d044cdda68d17c2bf87f9d9">description</p>
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</td>
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<td class="cellrowborder" valign="top" width="11.28%" headers="mcps1.3.3.2.5.1.2 "><p id="EN-US_TOPIC_0000001460563168__afae3f3f68e074988ade8bea59c59a1bd">text</p>
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</td>
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<td class="cellrowborder" valign="top" width="21.62%" headers="mcps1.3.3.2.5.1.3 "><p id="EN-US_TOPIC_0000001460563168__a02bddd97d82c475ea18a84912cc5401a">-</p>
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</td>
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<td class="cellrowborder" valign="top" width="50.94%" headers="mcps1.3.3.2.5.1.4 "><p id="EN-US_TOPIC_0000001460563168__a4d3db346eb6a4fdab4b5429aab2d96c8">Arbitrary text that serves as the description of this object</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>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_04_0561.html">System Catalogs</a></div>
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</div>
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</div>
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