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pnpsql
Posting Yak Master
246 Posts |
 Posted - 2011-10-12 : 07:14:09
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| i have a table like : id name amount type 1 a 120 x 2 a 120 x 3 c 120.41 y i need to deduct amount equals to amount of a from name c. i need to use only quey not t sql block pls help....challenge everything |
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nigelrivett
Master Smack Fu Yak Hacker
3385 Posts |
Posted - 2011-10-12 : 07:41:37
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| Not sure what you wantupdate tblset amount = amount - (select sum(amount) from tbl where name = a)where name = c==========================================Cursors are useful if you don't know sql.SSIS can be used in a similar way.Beer is not cold and it isn't fizzy. |
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visakh16
Very Important crosS Applying yaK Herder
52326 Posts |
Posted - 2011-10-12 : 08:12:24
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| [code]update tset t.amount = t.amount - b.tot from tbl tcross apply (select sum(amount) as tot from tbl where name < t.name) b[/code]------------------------------------------------------------------------------------------------------SQL Server MVPhttp://visakhm.blogspot.com/ |
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update amount query help