Returns whether a row is aggregated by ROLLUP/CUBE.
Syntax
GROUPING(expr)Example
Enter values below to update the example in real time.
department_id→job_id→salary→grp_dept→employees→SELECT department_id, job_id,
SUM(salary),
GROUPING(department_id) AS grp_dept
FROM employees
GROUP BY ROLLUP (department_id, job_id);