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help1402

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UWA week 36 (2nd semester, mid-semester break) ↓

lab4 question 3 (all 5)

6:45pm Fri 6th Sep, ANONYMOUS

Hi, Lab4 Q3 states "Hint use a subquery to calculate the average quantity, you will need to use HAVING also (this is because in SQL the WHERE is applied before GROUP BY, meaning it cannot reference aggregate functions such as an average)" To get the expected answer I used WHERE instead of GROUP BY + HAVING clause. Am I missing something? Cheers

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