Re: [SQL] optimizing queries and indexes...

2001-09-09 Thread Josh Berkus
Robert, I'd advise you to buy a book, but frankly I don't know a good one on DB performance optimization. The DB optimizers I've met tend to guard their secrets closely. Suggestions, anyone? > i have several friends that are DBA's by profession and work on > oracle > and/or ms sql server. they

Re: [SQL] optimizing queries and indexes...

2001-09-09 Thread Stephan Szabo
On Sun, 9 Sep 2001, Josh Berkus wrote: > > i have several friends that are DBA's by profession and work on > > oracle > > and/or ms sql server. they have all told me that while there are some > > general rules to follow that each database is different. > > Yup. They told ya right. > > > for e

Re: [SQL] optimizing queries and indexes...

2001-09-09 Thread Josh Berkus
Stephan, Ah. Well, you answer optimization questions so often that I'd assumed that you had a hand in it. Is the optimizer all Tom and Bruce's work? > At least on 7.1 and below, if you have a dummy value that is very > common > but doesn't really pass any information (like 'N/A' for example),

Re: [SQL] optimizing queries and indexes...

2001-09-09 Thread Stephan Szabo
On Sun, 9 Sep 2001, Josh Berkus wrote: > Ah. Well, you answer optimization questions so often that I'd assumed > that you had a hand in it. Is the optimizer all Tom and Bruce's work? Mostly Tom I believe. > > At least on 7.1 and below, if you have a dummy value that is very > > common > > bu