[PERFORM] Tuning queries on large database

2004-08-04 Thread Valerie Schneider DSI/DEV
Hi, I have some problem of performance on a PG database, and I don't know how to improve. I Have two questions : one about the storage of data, one about tuning queries. If possible ! My job is to compare Oracle and Postgres. All our operational databases have been running under Oracle for about

Re: [PERFORM] Tuning queries on large database

2004-08-04 Thread Valerie Schneider DSI/DEV
>X-Original-To: [EMAIL PROTECTED] >X-Authentication-Warning: houston.familyhealth.com.au: chriskl owned process doing -bs >Date: Wed, 4 Aug 2004 21:21:51 +0800 (WST) >From: Christopher Kings-Lynne <[EMAIL PROTECTED]> >To: Valerie Schneider DSI/DEV <[EMAIL PROTECTED

Re: [GENERAL] [PERFORM] Tuning queries on large database

2004-08-05 Thread Valerie Schneider DSI/DEV
- Aggregate (cost=14086174.57..14086174.57 rows=1 width=0) (actual time=428235.024..428235.025 rows=1 loops=1) -> Index Scan using pk_data on data (cost=0.00..14076910.99 rows=3705431 width=0) (actual time=45.283..424634.826 rows=3252938 loops=1)