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SQL Select Max Count Distinct and Distinct


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Hi there,

I am working on a problem that goes as follows.

Two tables: order1 and odetails

Tables have one common attribute: ono (order number)

Two main attributes: cno (customer number) and pno (part number)

I want to select the maximum reoccurring part number associated to a distinct customer number.

For example: cno 1001 has 5 pno values, 3 are 3003 and 2 are 2002

I want to return one distinct cno 1001 and the max pno count, so 3003 in this example.

cno          pno

1001        3003


I hope this makes sense. Thank you for any and all effort!

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