On Wednesday 20 December 2006 18:06, Hector Villarreal wrote:
> HI in reading this is it possible what was really intended :
> Sum(case when o_model = 5 then 1 else NULL end) as KA
> That would provide a count of all records meeting that condition.
> Otherwise the count( approach will not do that.
>
Because the else is NULL, count does work. Although I would imagine sum will
also work, count more reflects the logic, i.e. the number of times that
condition is true
--
Gary Stainburn
This email does not contain private or confidential material as it
may be snooped on by interested government parties for unknown
and undisclosed purposes - Regulation of Investigatory Powers Act, 2000
