Re: Anything I can do to speed up this query?
От | Jan de Visser |
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Тема | Re: Anything I can do to speed up this query? |
Дата | |
Msg-id | 200612051602.42755.jdevisser@digitalfairway.com обсуждение исходный текст |
Ответ на | Anything I can do to speed up this query? (Wei Weng <wweng@kencast.com>) |
Ответы |
Re: Anything I can do to speed up this query?
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Список | pgsql-general |
On Tuesday 05 December 2006 3:56 pm, Wei Weng wrote: > I have a table that has roughly 200,000 entries and many columns. > > The query is very simple: > > SELECT Field1, Field2, Field3... FieldN FROM TargetTable; > > TargetTable has an index that is Field1. > > The thing is on this machine with 1Gig Ram, the above query still takes > about 20 seconds to finish. And I need it to run faster, ideally around > 5 seconds. I suspect it's the time needed to ship the data over the wire. Don't forget you're asking for an awful lot of data... > > Wei > jan -- -------------------------------------------------------------- Jan de Visser jdevisser@digitalfairway.com Baruk Khazad! Khazad ai-menu! --------------------------------------------------------------
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