Re: use_hash HINT

From: Connor McDonald <hamcdc_at_yahoo.co.uk>
Date: Thu, 26 Sep 2002 01:58:21 -0800
Message-ID: <F001.004D9B52.20020926015821@fatcity.com>

/*+ use_hash(x) */

will force a hash join if the 'x' is the target for a hash join. This does not exclude 'x' from being the driver table in a nested or merge join. Typically an additional ordered predicate might be required to avoid the join inputs being swapped over.

hth
connor

• "Pillai, Rajesh" <Rajesh.Pillai_at_nordstrom.com> wrote: > Hi All,
  > Please give me inputs on this hint and the affect
  > of having a large HASH_AREA.
  >
  > Thanks,
  > Rajesh
  >
  >
  

  ---

Connor McDonald
http://www.oracledba.co.uk
http://www.oaktable.net

"Remember amateurs built the ark - Professionals built the Titanic"

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Received on Thu Sep 26 2002 - 04:58:21 CDT