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SQL HAVING clause


The HAVING clause is used with the GROUP BY clause and filter the groups created by the GROUP BY clause.

Syntax:

SELECT column1, column2,…, columnN FROM tableName WHERE[conditions] GROUP BY column1, column2 …HAVING[conditions];

Example:

SELECT EMP_NAME, SUM(SALARY) FROM EMPLOYEE 
GROUP BY EMP_NAME HAVING Count(EMP_NAME) >= 2;

Output:

EMP_NAME	SUM(SALARY)
Parbhjot	81000
Parmender	90000

Position of different clauses in a SQL statement:

1. SELECT

2. FROM

3. WHERE

4. GROUP BY

5. HAVING

6. ORDER BY
 
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