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use of sql hint @SEL$1 and @SEL$2

user12983042Dec 12 2011 — edited Dec 13 2011

HI,

I would like to use oracle hint in my SQL. I found some parameter @SEL$1 and @SEL$2 used in subquery hint.

I would like to know what they are and how to use them. Would you mind to give me some example for that.

Thanks

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Locked on Jan 10 2012

Added on Dec 12 2011

#parameter, #sql, #tuning

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