users rights per table

I have to implement a structure of rights.
I'm intrested if postgresql can restrict these operations(insert,
update, select, delete) for a specified postgresql user.
If this is possible, please tell me were could I find some
documentation about this subject.

Can we assume that you have not yet read the section on 'GRANT'
in the online documentation on the postgreSQL website?
--
Mike Nolan

victor wrote:

I have to implement a structure of rights.
I'm intrested if postgresql can restrict these
operations(insert, update, select, delete) for a specified postgresql
user.
If this is possible, please tell me were could I find some
documentation about this subject.

Read the reference page of GRANT.