Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.server -> Re: Index to speed up "select count(*) from" queries...

Re: Index to speed up "select count(*) from" queries...

From: James Petts <jpetts_at_celltech.co.uk>
Date: Mon, 17 May 1999 11:38:19 GMT
Message-ID: <373fff96.16492575@right.celltech> 





On Mon, 17 May 1999 09:56:15 GMT, tim_mcconechy_at_my-dejanews.com wrote:



>My application needs to do some count(*) queries...


>


>Is there some kind of index I can use to speed this query..





No. Count(*) does a full table scan.
Received on Mon May 17 1999 - 06:38:19 CDT












Original text of this message













  HOME |
  ASK QUESTION |
  ADD INFO |
  SEARCH |
  E-MAIL US