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第 4 章 PostgreSQL 系统表

目录

4.1. pg_available_extensions
4.2. pg_shadow

4.1. pg_available_extensions

SELECT * FROM pg_available_extensions;
		
postgres=# SELECT * FROM pg_available_extensions;
  name   | default_version | installed_version |           comment
---------+-----------------+-------------------+------------------------------
 plpgsql | 1.0             | 1.0               | PL/pgSQL procedural language
(1 row)