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