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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

Revoking user access to a table

This recipe answers the question, "How do I make sure that user X cannot access table Y?"

Getting ready

The current user must either be a superuser, the owner of the table, or a user with a GRANT option for the table.

Also, you can't revoke rights from a user who is a superuser.

How to do it…

To revoke all rights on the table1 table from the user2 user, you must run the following SQL command:

REVOKE ALL ON table1 FROM user2;

However, if user2 had been granted another role that gives them some rights on table1, say role3, this command is not enough; you must also choose one of the following options:

  • "Fix" the user; that is, revoke role3 from user2
  • "Fix" the role; that is, revoke privileges on table1 from role3

Both choices ...

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Publisher Resources

ISBN: 9781849519069Supplemental Content