1 describe the purpose of the group by clause why must the, Ask an Expert

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1. Describe the purpose of the GROUP BY clause. Why must the attribute in the GROUP BY clause also appear in the SELECT clause?

2. Describe the purpose of the HAVING clause. How do you decide whether to place a row-limiting predicate in the WHERE clause or in the HAVING clause?

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M92024711

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