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ktkn
Starting Member

13 Posts
Posted - 12/04/2012 :  15:47:07  Show Profile  Reply with Quote
I have tbl_sale table below with two columns

orderNo purchaseNo
123 50
123 10
456 20
789 40

There are many purchaseNo within the table and don't know what is the min value is. I have the query below to get the min number for particular orderNo but not sure if mine sysntax is correctted?
The result i want is
orderNo purchaseNo
123 10


Thanks

SELECT orderNo, purchaseNo
FROM tbl_sale
where purchaseNo =
(SELECT MIN(purchaseNo)
FROM tbl_sale where
orderNo = 123)
and orderNo = 123

sodeep
Flowing Fount of Yak Knowledge

USA
7173 Posts
Posted - 12/04/2012 :  15:57:21  Show Profile  Reply with Quote
select orderno,min(purchaseNo)
from tbl_sale
group by orderno
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