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SQL GROUP BY clause


The GROUP BY clause is used to group the identical data by one or more columns. It is used with the aggregate functions in the select statement.

Syntax:

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

Example:

SELECT EMP_NAME, SUM(SALARY) FROM EMPLOYEE GROUP BY EMP_NAME;

Output:

EMP_NAME	SUM(SALARY)
Nidhi	        48000
Parbhjot	81000
Parmender	90000

 
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