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doc-exports/docs/dws/dev/dws_04_0590.html
luhuayi 177cd61a57 DWS DEVG 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>
2025-05-05 07:44:03 +00:00

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<a name="EN-US_TOPIC_0000001764491892"></a><a name="EN-US_TOPIC_0000001764491892"></a>
<h1 class="topictitle1">PG_EXTENSION_DATA_SOURCE</h1>
<div id="body1511428333232"><p id="EN-US_TOPIC_0000001764491892__p8060118"><strong id="EN-US_TOPIC_0000001764491892__b1256245015596">PG_EXTENSION_DATA_SOURCE</strong> records information about external data source. An external data source contains information about an external database, such as its password encoding. It is mainly used with Extension Connector.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001764491892__table13368458915" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PG_EXTENSION_DATA_SOURCE columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001764491892__row53681151092"><th align="left" class="cellrowborder" valign="top" width="15%" id="mcps1.3.2.2.5.1.1"><p id="EN-US_TOPIC_0000001764491892__p20368135990">Name</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="15%" id="mcps1.3.2.2.5.1.2"><p id="EN-US_TOPIC_0000001764491892__p173683512910">Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="15%" id="mcps1.3.2.2.5.1.3"><p id="EN-US_TOPIC_0000001764491892__p163682054915">Reference</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="55.00000000000001%" id="mcps1.3.2.2.5.1.4"><p id="EN-US_TOPIC_0000001764491892__p14368857916">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001764491892__row1230103951914"><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001764491892__p183063921920">OID</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001764491892__p123143981913">OID</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001764491892__p031339121912">-</p>
</td>
<td class="cellrowborder" valign="top" width="55.00000000000001%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001764491892__p23116392197">Row identifier (hidden attribute; must be explicitly selected)</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491892__row03685511914"><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001764491892__p19368653917">srcname</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001764491892__p43687516914">Name</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001764491892__p436845791">-</p>
</td>
<td class="cellrowborder" valign="top" width="55.00000000000001%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001764491892__p33681151096">Name of an external data source</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491892__row6368135295"><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001764491892__p17368459914">srcowner</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001764491892__p11368195796">OID</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001764491892__p123691857912">PG_AUTHID.oid</p>
</td>
<td class="cellrowborder" valign="top" width="55.00000000000001%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001764491892__p153691351292">Owner of an external data source</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491892__row17369351494"><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001764491892__p1436914510913">srctype</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001764491892__p19369135791">Text</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001764491892__p436975795">-</p>
</td>
<td class="cellrowborder" valign="top" width="55.00000000000001%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001764491892__p14369185793">Type of an external data source. It is NULL by default.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491892__row12369155192"><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001764491892__p43691053912">srcversion</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001764491892__p13691355914">Text</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001764491892__p173691516911">-</p>
</td>
<td class="cellrowborder" valign="top" width="55.00000000000001%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001764491892__p6369751996">Type of an external data source. It is NULL by default.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491892__row1336945193"><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001764491892__p53691951194">srcacl</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001764491892__p143694514912">aclitem[]</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001764491892__p1536917513915">-</p>
</td>
<td class="cellrowborder" valign="top" width="55.00000000000001%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001764491892__p4369251092">Access permissions</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001764491892__row133691551493"><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.1 "><p id="EN-US_TOPIC_0000001764491892__p236955795">srcoptions</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.2 "><p id="EN-US_TOPIC_0000001764491892__p143691851397">Text[]</p>
</td>
<td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.5.1.3 "><p id="EN-US_TOPIC_0000001764491892__p1936919513910">-</p>
</td>
<td class="cellrowborder" valign="top" width="55.00000000000001%" headers="mcps1.3.2.2.5.1.4 "><p id="EN-US_TOPIC_0000001764491892__p12369205199">Option used for foreign data sources. It is a keyword=value string.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_04_0561.html">System Catalogs</a></div>
</div>
</div>
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