Re: [PERFORM] Indices arent being used

2003-09-26 Thread Shridhar Daithankar
[EMAIL PROTECTED] wrote: Hi guys Im running a Datawarehouse benchmark (APB-1) on PostgreSql. The objective is to choose which of the to main db (PostgreSQL, MySQL) is fastest. I've run into a small problem which I hope could be resolved here. I'm trying to speed up this query: select count(*)

Re: [PERFORM] TPC-R benchmarks

2003-09-26 Thread Mary Edie Meredith
The TPC-H/R rules allow only minor changes to the SQL that are necessary due to SQL implementation differences. They do not allow changes made to improve performance. It is their way to test optimizer's ability to recognize an inefficient SQL statement and do the rewrite. The rule makes sense

[PERFORM] Plan-Reading

2003-09-26 Thread Rhaoni Chiu Pereira
Hi List; Where can I find a plan-readinf tutorial ? Atenciosamente, Rhaoni Chiu Pereira Sistêmica Computadores Visite-nos na Web: http://sistemica.info Fone/Fax : +55 51 3328 1122 ---(end of broadcast)--- TIP 9: the planner will ignore

Re: [PERFORM] Plan-Reading

2003-09-26 Thread Josh Berkus
Rhaoni, Where can I find a plan-readinf tutorial ? It's a little out of date, but is very well written and gives you the basics: http://www.argudo.org/postgresql/soft-tuning.html -- Josh Berkus Aglio Database Solutions San Francisco ---(end of