Create solutions.sql

Author: mobinni

SQL Deep Dive/Grouping Sets/solutions.sql

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+/*
+*  Calculate the total amount of employees per department using grouping sets
+*  Database: Employees
+*  Table: Employees
+*/
+
+select grouping(e.dept_no), e.dept_no, COUNT(e.emp_no)
+FROM public.dept_emp as e
+GROUP BY
+	GROUPING SETS (
+		(e.dept_no),
+     	()
+	)
+order by e.dept_no