It is better not to have a result set identified before writing group by and having clauses for a query. true false

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26-08-2022
Social Studies

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It is better not to have a result set identified before writing group by and having clauses for a query. true false

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RajarshiG RajarshiG · Answer 1 · 2022-09-03T13:13:58+02:00

Answer is false that it is better not to have a result set identified before writing GROUP BY and HAVING clauses for a query.

The GROUP BY clause is employed to induce the outline information supported one or a lot of teams. The teams may be fashioned on one or a lot of columns. as an example, the cluster BY query are going to be wont to count the quantity of workers in every department, or to induce the department wise total salaries

The GROUP BY Clause teams rows that have constant values into outline rows. The having clause is employed with the wherever clause so as to search out rows with sure conditions. The having clause is usually used when the cluster By clause.

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