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PostgreSQL 10 Administration Cookbook - Fourth Edition
book

PostgreSQL 10 Administration Cookbook - Fourth Edition

by Simon Riggs, Gianni Ciolli
May 2018
Intermediate to advanced content levelIntermediate to advanced
576 pages
30h 25m
English
Packt Publishing
Content preview from PostgreSQL 10 Administration Cookbook - Fourth Edition

How it works…

The pg_available_extensions system view shows one row for each extension control file in the SHAREDIR/extension directory (see the Using an installed module recipe). The pg_extension catalog table records only the extensions that have actually been created.

The psql command-line utility provides the \dx meta-command to examine the extensions. It supports an optional plus sign (+) to control verbosity, and an optional pattern for the extension name to restrict its range. Consider the following command:

\dx+ db*

This will list all extensions whose names start with db, together with all their objects.

The CREATE EXTENSION command creates all objects belonging to a given extension, and then records the dependency of each object ...

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Publisher Resources

ISBN: 9781788474924Supplemental Content