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Add some more documentation and cross-links on using dblink with SQL/MED.
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@ -1,5 +1,5 @@
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<!--
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$PostgreSQL: pgsql/doc/src/sgml/ref/create_foreign_data_wrapper.sgml,v 1.3 2009/02/27 07:20:00 petere Exp $
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$PostgreSQL: pgsql/doc/src/sgml/ref/create_foreign_data_wrapper.sgml,v 1.4 2009/06/18 14:34:36 petere Exp $
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PostgreSQL documentation
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-->
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@ -103,7 +103,9 @@ CREATE FOREIGN DATA WRAPPER <replaceable class="parameter">name</replaceable>
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rudimentary. The purpose of foreign-data wrappers, foreign
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servers, and user mappings is to store this information in a
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standard way so that it can be queried by interested applications.
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The functionality to actually query external data does not exist
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One such application is <application>dblink</application>;
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see <xref linkend="dblink">. The functionality to actually query
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external data through a foreign-data wrapper library does not exist
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yet.
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</para>
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