RE: Slow running Query.
- From: "Juan Carlos Reyes Pacheco" <jreyes@xxxxxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 22 Jun 2004 12:15:04 -0400
Hi, I will do t he following
Try creating function indexes on composed columns you are queryin and tellme
if this improves something
For example you are using as_date in the where column, but you don't have a
index on substr(ca_date,1,4,....
Only to avoid unncesary plsql work
1. instead sum(nvl(column,0)) I'll use nvl(sum(column),0
2. instead of decode use case
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