I have one table:
cno date cname proj1 proj2 proj3
--- ----- ----- ----- ----- ----
101 01/01 john 50 60 70
101 02/01 tom 40 50 90
103 03/01 mike 30 20 10
My two keys are CNO and DATE.
I don't know how to write a query that would
perform an...
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