Re: Wierd Explain
Thomas Beutin <tyrone@laokoon.in-berlin.de>
From: Thomas Beutin <tyrone@laokoon.IN-Berlin.DE>
To: Scott Marlowe <scott.marlowe@ihs.com>
Cc: pgsql-general@postgresql.org
Date: 2002-06-18T15:43:58Z
Lists: pgsql-general
Hi, On Tue, Jun 18, 2002 at 09:03:50AM -0600, Scott Marlowe wrote: > On Tue, 18 Jun 2002, Thomas Beutin wrote: > > On Tue, Jun 18, 2002 at 12:33:26PM +0530, Varun Kacholia wrote: > > > Many ppl have suggested me vaccum analyze . > > > But the manuals say me that it is reqd after "major update/deletion". > > > I have just 'created' the tables and done fresh insertions. > > > is it still required? > > > AFAIK is not. > > Actually, you do have to run it then. Analyze is never done automatically > by Postgresql, so the postmaster has no idea how your data are organized > yet. (Varun's data, not Thomas's :-) Sorry, i forgot the postings bevor. But correct me if i'm wrong: Creating a fresh table an inserting data. For the data retreiving the vacuum analyze is not neccessary, but to get correct values by explain it is required. Right? Greetings. -tb -- Thomas Beutin tb@laokoon.IN-Berlin.DE Beam me up, Scotty. There is no intelligent live down in Redmond.