Thanks Tom for your quick response...
-----Original Message-----
From: Tom Lane [mailto:tgl@sss.pgh.pa.us]
Sent: Friday, June 18, 2004 3:26 PM
To: Lee Wu
Cc: pgsql-admin@postgresql.org
Subject: Re: [ADMIN] table when vacuum questions
"Lee Wu" <Lwu@mxlogic.com> writes:
>
http://www.postgresql.org/docs/7.3/static/routine-vacuuming.html#VACUUM-
> FOR-WRAPAROUND says:
> "every table in the database must be vacuumed at least once every
> billion transactions".
> Does "very table" include PG's tables, such as pg_database?
Yes, absolutely.
> 2. http://www.postgresql.org/docs/7.3/static/sql-vacuum.html says:
> "Defaults to all tables in the current database."=20
> Does "all tables include PG's tables, such as pg_class?
Yes, but you have to be superuser; for a non-superuser, the command
only vacuums the tables you own.
regards, tom lane