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PostgreSQL 9 Administration Cookbook - Second Edition by Simon Riggs, Gianni Ciolli, Hannu Krosing, Gabriele Bartolini

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Giving limited superuser powers to specific users

First, the superuser role has some privileges, which can also be granted to non-superuser roles separately.

To give the bob role the ability to create new databases, run this:

ALTER ROLE BOB WITH CREATEDB;

To give the bob role the ability to create new users, run the following:

ALTER ROLE BOB WITH CREATEUSER;

However, it is also possible to give ordinary users more fine-grained and controlled access to some action reserved for superusers, using SECURITY DEFINER functions. The same trick can also be used to pass partial privileges between different users.

Getting ready

First, you must have access to the database as a superuser in order to delegate some powers. Here, we assume the use of the default ...

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