By subtracting the values in the same column?
HelloHow can I subtract two values in the column of the table. EG - there is a table with two columns with date and cumulative turnover.
Date Total_sales
===== =======
February 23, 68
24 feb-122
25 feb-150
26-Feb-200
27 feb-223
I need to know about the date that sales have been maximum. As we can see on 24 - Feb, sales were 54. We do this by subtracting 122-68.
How can subtract us values in the same column?
Thank you
Take a look at the lag() of analytic SQL function which should give you what you need.
See you soon,.
Harry
Tags: Database
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added a secondPublished by: Massimo Ruocchio, February 12, 2010 17:58
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Published by: Hamza on July 10, 2011 22:55
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SY.
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