Re: DELETE and efficiency
Michelle Murrain <mpm@norwottuck.com>
From: Michelle Murrain <mpm@norwottuck.com>
To: Neil Conway <nconway@klamath.dyndns.org>, pgsql-general@postgresql.org
Cc: gateley@jriver.com
Date: 2001-03-06T22:08:41Z
Lists: pgsql-general
On Tuesday 06 March 2001 05:05 pm, Neil Conway wrote: > > But as I understand it, a DELETE just marks the row as deleted -- the > data is not actually removed from disk. This means they should be > fast, but it also means that doing a VACUUM [ANALYZE] fairly regularly > is probably a good idea. Is that so? If so, that means there might be a way to do an undelete? What is it? Michelle -- ------------ Michelle Murrain, Ph.D. President Norwottuck Technology Resources mpm@norwottuck.com http://www.norwottuck.com