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在 postgresql 中的 DBLink (http://www.postgresql.org/docs/current/static/dblink.html) 和外部数据包装器 (http://www.postgresql.org/docs/9.1/static/ddl-foreign- data.html),其中一个(如果有)提供与 mysql 的“联合”存储引擎 (http://dev.mysql.com/doc/refman/5.0/en/federated-use.html) 相同级别的功能。

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If you make a side by side comparison (including limitations):

The db_link contrib offers mostly the same functionality, with a different syntax.

Foreign data wrappers offer roughly the same syntax, with an API that allows you to connect to anything (not just MySQL servers).

于 2011-07-17T06:50:30.223 回答
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plProxy 是最接近联合引擎的东西。plProxy 维基页面

于 2011-07-17T20:19:51.677 回答