Re: [PERFORM] poor performance in migrated database

2004-11-07 Thread Troels Arvin
On Sat, 06 Nov 2004 11:52:15 -0800, Carlos Lopez wrote: > I have migrated a database from MS SQL to a > postgresSQL database, but when running it, the results > are very slow (and unusable) which is the only reason > we don't entirely move to postgresSQL. Have you run ANALYZE lately? (See manual.

Re: [PERFORM] poor performance in migrated database

2004-11-06 Thread Scott Marlowe
On Sat, 2004-11-06 at 12:52, Carlos Lopez wrote: > I have migrated a database from MS SQL to a > postgresSQL database, but when running it, the results > are very slow (and unusable) which is the only reason > we don't entirely move to postgresSQL. > The problem is that there are many nested views

Re: [PERFORM] poor performance in migrated database

2004-11-06 Thread Simon Riggs
On Sat, 2004-11-06 at 19:52, Carlos Lopez wrote: > The problem is that there are many nested views which > normally join tables by using two fields, one > character and other integer. PostgreSQL has difficulty with some multi-column situations, even though in general it has a particularly good que

Re: [PERFORM] poor performance in migrated database

2004-11-06 Thread Troels Arvin
On Sat, 06 Nov 2004 11:52:15 -0800, Carlos Lopez wrote: > I have migrated a database from MS SQL to a postgresSQL database, but > when running it, the results are very slow (and unusable) which is the > only reason we don't entirely move to postgresSQL.