"Marcus Andree S. Magalhaes" <marcus.magalhaes@vlinfo.com.br> writes:
>> Also do you run VACUUM ANALYZE as a superuser, or as a regular user?
> As a regular user (database owner). Is thery any difference when vacuuming
> as a super user?
That's your problem. A regular user won't have permissions to vacuum
any tables but his own ... in particular, not the system tables.
regards, tom lane