January 2019
Beginner
556 pages
14h 19m
English
Content preview from Learning PostgreSQL 11 - Third Edition
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Extensions
PostgreSQL can be extended to support new data types and functionality. Extensions in PostgreSQL are a great way to add new functions, not being a core developer. PostgreSQL provides the CREATE EXTENSION command to load extensions to the current database. Also, PostgreSQL has a central distribution network (PGXN: www.pgxn.org) that allows users to explore and download extensions. When installing the PostgreSQL binaries, the postgresql-contib package contains many useful extensions, such as tablefunc, which allows table pivoting, and the pgcrypto extension; the README file in the installation directory contains the summary information.
The ability of PostgreSQL to support extensions is a result of the following features:
- PostgreSQL ...
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