SQL subqueries on employee Database: List the employees of grade 2 and 3 who belongs to the city PERTH

SQL subqueries on employee Database: Exercise-61 with Solution

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61. From the following tables, write a SQL query to list the employees of grade 2 or 3 and the department where he or she works, is located in the city PERTH. Return complete information about the employees.

Sample table: employees

Sample table: department

Sample table: salary_grade

Sample Solution:

SELECT *
FROM employees
WHERE emp_id IN
    (SELECT emp_id
     FROM employees e,
          salary_grade s
     WHERE e.salary BETWEEN s.min_sal AND s.max_sal
       AND s.grade IN (2,
                       3))
  AND dep_id IN
    (SELECT dep_id
     FROM department
     WHERE dep_LOCATION='PERTH');

Sample Output:

 emp_id | emp_name | job_name | manager_id | hire_date  | salary  | commission | dep_id
--------+----------+----------+------------+------------+---------+------------+--------
  64989 | ADELYN   | SALESMAN |      66928 | 1991-02-20 | 1700.00 |     400.00 |   3001
  65271 | WADE     | SALESMAN |      66928 | 1991-02-22 | 1350.00 |     600.00 |   3001
  66564 | MADDEN   | SALESMAN |      66928 | 1991-09-28 | 1350.00 |    1500.00 |   3001
  68454 | TUCKER   | SALESMAN |      66928 | 1991-09-08 | 1600.00 |       0.00 |   3001
(4 rows)

Practice Online

Structure of employee Database:

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Previous: From the following tables, write a SQL query to list the details of the employees working at PERTH.
Next: From the following table, write a SQL query to find those employees whose designation is same as the designation of ADELYN or the salary is more than the salary of WADE. Return complete information about the employees.