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programer
Posting Yak Master

Slovenia
221 Posts

Posted - 09/27/2013 :  11:20:38  Show Profile  Reply with Quote
Hi,

I have:

tbl_table1
Id, Calc1, IsWinning
1, 250,0
2, 350,0
4, 600,0

tbl_table2
Id, tbltable1id,Amount,Calculate
1, 1,4 , 10, 0

I updated in the tbl_table1 column IsWinning:
Id, Calc1, IsWinning
1, 2.50, 1
2, 3.50,0
4, 6.10,1

If is IsWinning 1 I need to update column Calculate 2.50*6.10*10:
tbl_table2
Id, tbltable1id,Amount,Calculate
1, 1,4 , 10, 152.50 - this is updated result

I hope you understand what I mean.


visakh16
Very Important crosS Applying yaK Herder

India
52326 Posts

Posted - 09/28/2013 :  06:09:31  Show Profile  Reply with Quote

CREATE TRIGGER Trig_table1
ON tbl_table1
FOR UPDATE
AS
BEGIN
UPDATE t
SET t.Calculate = Prdt * Amount
FROM tbl_table2 t
CROSS APPLY(SELECT EXP(SUM(LOG(Calc1))) AS Prdt
FROM tbl_table1 
WHERE ',' + t.tbltable1id + ',' LIKE '%,' + CAST(id AS varchar(5)) + ',%')t1
END


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