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Re: Curious Construct

From: Norman Dunbar <norman.dunbar_at_environment-agency.gov.uk>
Date: Thu, 23 Nov 2006 16:05:51 +0000
Message-Id: <s565c702.011@environment-agency.gov.uk>

Hi Niall,

>> "Niall Litchfield" <niall.litchfield_at_gmail.com> 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.
The
>> problematic SQL is

<SNIP>

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.

Cheers,
Norman.

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

Internal : 7 28 2051
External : 0113 231 2051

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Received on Thu Nov 23 2006 - 10:05:51 CST

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