Re: Dead slow count(*)
- From: Wolfgang Breitling <breitliw@xxxxxxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Thu, 29 Jan 2004 17:58:26 -0700
Not always. If Oracle CAN use an index to return the correct value it will.
At 05:09 PM 1/29/2004, you wrote:
>If You use function COUNT, Oracle will always do fullscan!!!
>So, first question should be - Do I really need to use COUNT?
>++++++++++++++++++++++++
Wolfgang Breitling
Oracle7, 8, 8i, 9i OCP DBA
Centrex Consulting Corporation
http://www.centrexcc.com
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