On Fri, 2007-01-12 at 11:45, Mario Behring wrote: > Hi all, > > Simple question: once I execute the delete statement, does it free > disk space immediatelly? Does Postgres uses something like a datafile > with a pre-defined size like Oracle does?? > Take a look here:
http://www.postgresql.org/docs/8.2/static/routine-vacuuming.html http://www.postgresql.org/docs/8.2/static/mvcc-intro.html That should explain the basics of mvcc and vacuuming as applies to pgsql. ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate
