Re: [PERFORM] Performance pb vs SQLServer.

2005-08-18 Thread Stéphane COEZ
> > One little thing. Did you shutdown sql2000 while testing > postgresql? Remember that postgresql uses system cache. > Sql2000 uses a large part of memory as buffer and it will not > be available to operating system. I must say that, probably, > results will be the same, but it will be a b

Re: [PERFORM] Performance pb vs SQLServer.

2005-08-18 Thread Stéphane COEZ
> De : Magnus Hagander [mailto:[EMAIL PROTECTED] > Out of curiosity, what plan do you get from SQLServer? I bet > it's a clustered index scan... > > > //Magnus > I have a Table scan and Hashaggregate... Stephane ---(end of broadcast)--- TI

Re: [PERFORM] Performance pb vs SQLServer.

2005-08-18 Thread Stéphane COEZ
ash Aggregate is much better than index scan ... > > > >Thanks for help. > > > >Stéphane COEZ > > > > > > > > > >---(end of > >broadcast)--- > >TIP 9: In versions below 8.0, the planner will

[PERFORM] Performance pb vs SQLServer.

2005-08-14 Thread Stéphane COEZ
rows=55 width=8) -> Index Scan using myindex on mytable (cost=0.00..68429.20 rows=3233927 width=8) but performance will be comparable to previous test. So with or without using Index I have the same result. Thanks for help. Stéphane COEZ -