How to optimize an update SQL that runs on a Oracle table with 700M rows

Posted by Bruno Rothgiesser on Stack Overflow See other posts from Stack Overflow or by Bruno Rothgiesser
Published on 2010-06-03T08:48:34Z Indexed on 2010/06/03 8:54 UTC
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Filed under:

sql

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Oracle

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oracle10g

UPDATE [TABLE] SET [FIELD]=0 WHERE [FIELD] IS NULL

[TABLE] is an Oracle database table with more than 700 million rows. I cancelled the SQL execution after it had been running for 6 hours.

Is there any SQL hint that could improve performance? Or any other solution to speed that up?

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