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With COUNT(*) OVER (PARTITION BY Receipt_number, Quanity) , you could have only 1 CTE.

ypercubeᵀᴹ
– ypercubeᵀᴹ

2019-02-28 12:04:31 +00:00
Commented Feb 28, 2019 at 12:04
1

I have 0 now, but I see your point ;-) I'm not entirely sure what the OP wants, so I more or less just copied the original query and adapted it.

Lennart - Slava Ukraini
– Lennart - Slava Ukraini

2019-02-28 12:24:03 +00:00
Commented Feb 28, 2019 at 12:24
I meant 1 level of CTEs or derived table, instead of 2 levels.

ypercubeᵀᴹ
– ypercubeᵀᴹ

2019-02-28 12:33:55 +00:00
Commented Feb 28, 2019 at 12:33

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