How to speed up an update
- From: <genegurevich@xxxxxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Thu, 5 Mar 2009 12:22:45 -0600
Hi everyone:
I am trying to tune the following update:
update TABLE set column = decode (column, vlaue1..);
The TABLE has about 13mil rows and a primary key. I am thinking of dropping
the PK and running the update
with higher degree of parallelism and rebuilding the PK after the update.
Is there anything else I should consider?
I am running oracle 10.2.0.2
thank you
Gene Gurevich
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