What is the difference between Where and Having Clause
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Answer Posted / njadav
Where Clause:
1)WHERE clause can be used without GROUP BY clause.
2)WHERE clause select rows before grouping.
3)WHERE clause can not contain aggregate functions.
4)WHERE clause can operate individual row.
5)It is more fast.
Having Clause:
1)HAVING clause can not be used without GROUP BY clause.
2)HAVING clause select rows after grouping.
3)HAVING clause can contain aggregate functions.
4)HAVING clause can operate group of row.
5)It is much slow.
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