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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

Auditing data changes

This recipe provides different ways to collect changes to data contained in the tables for auditing purposes.

Getting ready

First, you must take the following decisions:

  • Do you need to audit all changes or only some?
  • What information about the changes do you need to collect? Only the fact that the data has changed?
  • When recording the new value of a field or tuple, do you also need to record the old value?
  • Is it enough to record what user did the change, or do you also need to record the IP address and other connection information?
  • How secure (tamper-proof) must the auditing information be? For example, does it need to be kept separately, away from the database being audited?

Based on answers to these questions, you can select the ...

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Publisher Resources

ISBN: 9781849519069Supplemental Content