peter@vfemail.net writes:
> Confession time. I'm not running PostgreSQL 8.anything. I'm still
> running PostgreSQL version 7.4.3 on a Dell PowerEdge SC400 using
> FreeBSD 4.10. Do all of the concepts you relate still apply?
Yes, although autovacuum only existed in the form of a contrib module.
You really ought to think about running a newer PG though. The list
of known bugs in 7.4.3 is a mile long, and some of them *will* eat
your data someday.
regards, tom lane