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Just a wild guess:

SELECT
max(
( Case reductionFlag = '1'
Then rate
else 0
end)
) as maxreductions

max(
( CASE surprimeFlag = '1'
THEN rate
ELSE 0
end)
) as maxsurprime

from mytable where (reductionFlag = '1' OR surprimeFlag ='1')

Regards,
Luis Rodriguez

On 2/16/11, David FOXWELL <David.FOXWELL@xxxxxxxxx> wrote:
Hi,

I have a transaction table with different rates that may be indicated by a
flag as either a discount(reduction) or a premium(surprime).
I need the maximum of each type of rate.

I'm using

with
reductions as ( select max(rate) as max_reduction from mytable where
reductionFlag = '1'),
surprimes as ( select max(rate) as max_surprime from mytable where
surprimeFlag ='1')
select * from reductions join surprimes
;

But I wonder if there's a simpler way?

Thanks
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