On Thursday 06 April 2006 07:43, Nicolas Barbier wrote: > 2006/4/6, Luckys <[EMAIL PROTECTED]>: > > I'm looking for some comphrensive article explaining the Optimizer, i.e > > detailed explanation on Hash joins, Nested Joins etc., and why would the > > Optimizer choose that. > > can anybody point me to some good tutorials and resources? > > "A Tour of PostgreSQL Internals": > <url:http://www.postgresql.org/files/developer/tour.pdf> > > "Recent PostgreSQL Optimizer Improvements": > <url:http://conferences.oreillynet.com/cs/os2003/view/e_sess/4372> > > "Inside the PostgreSQL Query Optimizer": > <url:http://lca2005.linux.org.au/Papers/Neil%20Conway/Inside%20the%20Postgr >eSQL%20Query%20Optimizer/index.html> > > The manual: > <url:http://www.postgresql.org/docs/current/static/planner-optimizer.html> >
I feel somewhat obligated to add the following to the list: http://techdocs.postgresql.org/oscon2005/robert.treat/ contains the open office presenation file. If you google on "explaining explain" you can get an html version. -- Robert Treat Build A Brighter Lamp :: Linux Apache {middleware} PostgreSQL ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org