Re: analyse question..
От | Rajesh Kumar Mallah |
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Тема | Re: analyse question.. |
Дата | |
Msg-id | 200304172026.36334.mallah@trade-india.com обсуждение исходный текст |
Ответ на | Re: analyse question.. (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: analyse question..
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Список | pgsql-sql |
On Thursday 17 Apr 2003 7:47 pm, Tom Lane wrote: > Rajesh Kumar Mallah <mallah@trade-india.com> writes: > > Do we need to analyze a table after indexing ? > > No. > > > we observed that an already analyzed table had to be > > re-analyzed after index creation for index usage . > > I think you must have made a mistake. Creating an index doesn't > touch pg_statistic. Doesnt' it mean we shud analyze after index creation so that statiscs are updated? (as u said creating index does not touch pg_statistics). PS: this is the same table "profile_master" abt with i have posted a different question. > > regards, tom lane > > > ---------------------------(end of broadcast)--------------------------- > TIP 6: Have you searched our list archives? > > http://archives.postgresql.org -- Rajesh Kumar Mallah, Project Manager (Development) Infocom Network Limited, New Delhi phone: +91(11)6152172 (221) (L) ,9811255597 (M) Visit http://www.trade-india.com , India's Leading B2B eMarketplace.
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