SQL subqueries on employee Database: List the employees of department ID 2001 who works in the designation same as department ID 1001

SQL subqueries on employee Database: Exercise-10 with Solution

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10. From the following table, write a SQL query to find those employees of department ID 2001 and whose designation is same as of the designation of department ID 1001. Return complete information about the employees.

Sample table: employees

Sample table: department

Sample Solution:

SELECT *
FROM employees e,
     department d
WHERE d.dep_id = 2001
  AND e.dep_id = d.dep_id
  AND e.job_name IN
    (SELECT e.job_name
     FROM employees e,
          department d
     WHERE e.dep_id = d.dep_id
       AND d.dep_id =1001);

Sample Output:

 emp_id | emp_name | job_name | manager_id | hire_date  | salary  | commission | dep_id | dep_id | dep_name | dep_location
--------+----------+----------+------------+------------+---------+------------+--------+--------+----------+--------------
  65646 | JONAS    | MANAGER  |      68319 | 1991-04-02 | 2957.00 |            |   2001 |   2001 | AUDIT    | MELBOURNE
  63679 | SANDRINE | CLERK    |      69062 | 1990-12-18 |  900.00 |            |   2001 |   2001 | AUDIT    | MELBOURNE
  68736 | ADNRES   | CLERK    |      67858 | 1997-05-23 | 1200.00 |            |   2001 |   2001 | AUDIT    | MELBOURNE
(3 rows)

Practice Online

Structure of employee Database:

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