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CREATE EXTENSION {extension name};DROP EXTENSION {extension name}
test_db=> \\dxList of installed extensionsName | Version | Schema | Description---------+---------+------------+-----------------------------------------------------------------------------------------------hll | 2.14 | public | type for storing hyperloglog dataorafce | 3.7 | public | Functions and operators that emulate a subset offunctions and packages from the Oracle RDBMSplpgsql | 1.0 | pg_catalog | PL/pgSQL procedural language(3 rows)
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