Creating a Data Warehouse Through Joins and Unions Reviews

66190 reviews

Đức N. · Reviewed neredeyse 5 yıl ago

Nikhil R. · Reviewed neredeyse 5 yıl ago

Tín L. · Reviewed neredeyse 5 yıl ago

There was no need to DISTINCT in the query to select productsku and total orders. That query already used a group by, so each productsku can only take up 1 row , so the distinct was useless

Pro M. · Reviewed neredeyse 5 yıl ago

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Nguyen Ngoc My Quyen (. · Reviewed neredeyse 5 yıl ago

GREAT

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