Re: Composite Index Order VS Query Order ?? , Tuning Docs URL ?.

  • From: Stephane Faroult <sfaroult@xxxxxxxxxxxx>
  • To: oracle-l@xxxxxxxxxxxxx
  • Date: Tue, 13 Jul 2004 17:15:06 +0200

 
Hi,
I was working on optimising a piece of code which was taking 10hrs + to
execute and all.So my queries are..

#1) Saw a table where the "order of query" on the table and the "order of
key"
are different . For faster results shouldn't they be in the same order.


NO.

#2) Can anybody recommend me any site , where I will get reliable
informationon Tuning PL/SQL ?.

From experience, the best way to tune PL/SQL is to scrap everything and
rewrite from scratch.
Get rid of count(*) and cursors in loops for a start.

HTH

S Faroult

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