Why is the full table scan not being chosen? 2006-07-05 - By Alex Gorbachev
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(retry due to overquote...)
Do you have you optimizer_mode set to first_rows by any chance?
IIRC, this way optimizer will always choose index scan if that helps
to avoid sorting - regardless of the cost.
2006/7/5, Stuart Clowes <stuart.clowes@(protected)>:
> So, it looks to me like the FTS is cheaper, and the optimizer knows it. So
> why doesn't it choose it unless I ask it to?
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Best regards,
Alex Gorbachev
http://blog.oracloid.com
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http://www.freelists.org/webpage/oracle-l
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