SQL exercises on employee Database: display the number of employee for each job in each department
SQL employee Database: Exercise-97 with Solution
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97. Write a query in SQL to display the number of employee for each job in each department.
Sample table: employees
SELECT dep_id, job_name, count(*) FROM employees GROUP BY dep_id, job_name;
dep_id | job_name | count --------+-----------+------- 3001 | MANAGER | 1 2001 | ANALYST | 2 3001 | SALESMAN | 4 1001 | MANAGER | 1 1001 | PRESIDENT | 1 2001 | MANAGER | 1 2001 | CLERK | 2 1001 | CLERK | 1 3001 | CLERK | 1 (9 rows)
Sample Database: employee
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Previous: Write a query in SQL to list the manager no and the number of employees working for those managers in ascending order on manager id.
Next: Write a query in SQL to list the department where at least two employees are working.
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