"Akmal Akmalhojaev" <akmal(dot)ilh(at)gmail(dot)com> writes:
> I have the following question: where role privileges on working with tables,
> data bases and so on are stored in PostgreSQL (In what system catalogs?)?
Privileges are attached to the target objects, eg pg_class.relacl for
relations. Look for columns of type aclitem[] in the catalog descriptions:
http://developer.postgresql.org/pgdocs/postgres/catalogs.html
regards, tom lane