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Diffrence b/w two rows in a table

PostPosted: Sun Dec 28, 2014 7:49 am
by sridharemma
good morning to all......
How can i calculate difference between two rows in a table ?
Please tell me the query....... :)

Thanks in advance

Re: Diffrence b/w two rows in a table

PostPosted: Sun Dec 28, 2014 8:08 pm
by NicC
Explain what you mean with an example. How many rows are there? How do you decide which to process? What have you tried so far and why did it not suffice for your answer.