Re: Curious Construct

  • From: "Norman Dunbar" <norman.dunbar@xxxxxxxxxxxxxxxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>, <niall.litchfield@xxxxxxxxx>
  • Date: Thu, 23 Nov 2006 16:05:51 +0000

Hi Niall,

>> "Niall Litchfield" <niall.litchfield@xxxxxxxxx> 11/23/06 02:30pm
>> Our apps implementation has hit a curious SQL construct that seems
to be
>> causing the CBO all sorts of interesting problems in optimization.
>> problematic SQL is

if I remember correctly, they are called 'scalar subqueries' and can be
used (almost?) anywhere an expression is required. I have used one in my
life so far, and had no problems with it.

Good luck with the SR.


Norman Dunbar.
Contract Oracle DBA.
Rivers House, Leeds.

Internal : 7 28 2051
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