how to increase or decrease the quantity in a field in my sql when we enter the new quantity
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Published on 2012-11-07T04:58:19Z
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I'm doing a project I'm encountering a problem in my project.........
the problem is i would like to increase or decrease the quantity in my sql quantity field when i pass the issued or delivered quantity i.e.... initially the quantity in the quantity filed is 1 when i intake the product of a quantity 10 then automatically it should update the quantity as 10+1=11 so it must update as 11, if i remove a 1 quantity it should update as 0........
how to write a code in jsp..........
pls do help
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