SQL exercises on employee Database: List the no. of employees in each department where the no. is less than 4
SQL employee Database: Exercise-101 with Solution
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101. Write a query in SQL to list the no. of employees in each department where the no. is less than 4.
Sample table: employees
SELECT dep_id, count(*) FROM employees GROUP BY dep_id HAVING count(*)<4;
dep_id | count --------+------- 1001 | 3 (1 row)
Sample Database: employee
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Previous: Write a query in SQL to display the department name, grade, no. of employees where at least two employees are working as a SALESMAN.
Next: Write a query in SQL to list the name of departments where atleast 2 employees are working in that department.
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