On Thu, Nov 10, 2005 at 01:16:24PM +1100, Alex wrote: > could anyone tell me if it is necessary to run a Vacuum after truncating > a table or is that done automatically. http://www.postgresql.org/docs/8.0/interactive/maintenance.html#VACUUM-FOR-SPACE-RECOVERY "If you have a table whose contents are deleted on a periodic basis, consider doing it with TRUNCATE rather than using DELETE followed by VACUUM. TRUNCATE removes the entire content of the table immediately, without requiring a subsequent VACUUM or VACUUM FULL to reclaim the now-unused disk space." -- Michael Fuhr ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings