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PostgreSQL JOINS: Make a join with two tables job_history and employees to display the status of employees who is currently drawing the salary above 10000


12. Write a query to make a join with two tables job_history and employees to display the status of employees who is currently drawing the salary above 10000.

Sample Solution:

Code:

SELECT jh.* FROM job_history jh 
JOIN employees em 
ON (jh.employee_id = em.employee_id) 
WHERE em.salary > 10000;

Sample table: employees


Sample table: Job_history


Output:

pg_exercises=# SELECT jh.* FROM job_history jh
pg_exercises-# JOIN employees em
pg_exercises-# ON (jh.employee_id = em.employee_id)
pg_exercises-# WHERE em.salary > 10000;
 employee_id | start_date |  end_date  |   job_id   | department_id
-------------+------------+------------+------------+---------------
         114 | 1998-03-24 | 1999-12-31 | ST_CLERK   |            50
         101 | 1993-10-28 | 1997-03-15 | AC_MGR     |           110
         101 | 1989-09-21 | 1993-10-27 | AC_ACCOUNT |           110
         102 | 1993-01-13 | 1998-07-24 | IT_PROG    |            60
         201 | 1996-02-17 | 1999-12-19 | MK_REP     |            20
(5 rows)

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