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Hi,
Before I start writing a program, I was wondering if SQL could offer an
easier solution. I've been looking at using rank and over functions, but I
can't see it! :
In my table below there are 4 customers but only 3 distinct combinations of
Type and Code.
Customer Type Code
1 T1 C1
1 T1 C2
2 T2 C3
2 T2 C4
3 T5 C1
4 T1 C1
4 T1 C2
From this table, can I create the following table that contains each
combination of Type and Code only once ?
combination Type Code
1 T1 C1
1 T1 C2
2 T2 C3
2 T2 C4
3 T5 C1
TIA !
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