Re: DECODE
От | Josh Berkus |
---|---|
Тема | Re: DECODE |
Дата | |
Msg-id | web-498956@davinci.ethosmedia.com обсуждение исходный текст |
Ответ на | Re: DECODE (David Link <dlink@soundscan.com>) |
Список | pgsql-novice |
David, > > I regularly use queries and views that involve 6-9 tables, > > three UNIONS, and two sub-selects in each UNION ... and still get a > 2-3 > > second response time on the 500mhz Celeron production machine. > > Thanks. Good advice. > Question: How big are those tables you're joining and uniting? (disk > size, and number of rows). I'm not sure about disk size. Some of the tables are reference lists, with just a few dozen rows. 4 of the tables have at least 1000 rows each. Nothing large, or I'd use a faster processor. -Josh ______AGLIO DATABASE SOLUTIONS___________________________ Josh Berkus Complete information technology josh@agliodbs.com and data management solutions (415) 565-7293 for law firms, small businesses fax 621-2533 and non-profit organizations. San Francisco
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