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PostgreSQL 9 Administration Cookbook - Second Edition
book

PostgreSQL 9 Administration Cookbook - Second Edition

by Simon Riggs, GIANNI CIOLLI, Hannu Krosing, Gabriele Bartolini
April 2015
Intermediate to advanced content levelIntermediate to advanced
504 pages
11h 41m
English
Packt Publishing
Content preview from PostgreSQL 9 Administration Cookbook - Second Edition

Updatable views

PostgreSQL supports the SQL standard CREATE VIEW command, which, starting from version 9.3, supports automatic UPDATE, INSERT, and DELETE commands, provided they are simple enough.

With older PostgreSQL versions or with more complex views, these operations can be simulated with suitable query rewrite rules, or more recently by INSTEAD OF triggers. Note that according to community support policies, at least until September 2017, there will be PostgreSQL versions prior to 9.3 that are still supported and do not support automatic updatable views. Therefore, if you are using version 9.3 or later, only the discussion in the Getting ready section of this recipe will be of interest; the rest is implemented automatically.

Note also that ...

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Publisher Resources

ISBN: 9781849519069Supplemental Content