SQL subqueries on employee Database: List the employees who are senior to BLAZE and working at PERTH or BRISBANE

SQL subqueries on employee Database: Exercise-14 with Solution

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14. From the following table, write a SQL query to find those employees who are senior to BLAZE and working at PERTH or BRISBANE. Return complete information about the employees.

Sample table: employees

Sample table: department

Sample Solution:

SELECT *
FROM employees e,
     department d
WHERE d.dep_location IN ('PERTH',
                         'BRISBANE')
  AND e.dep_id = d.dep_id
  AND e.hire_date <
    (SELECT e.hire_date
     FROM employees e
     WHERE e.emp_name = 'BLAZE') ;

Sample Output:

 emp_id | emp_name | job_name | manager_id | hire_date  | salary  | commission | dep_id | dep_id | dep_name  | dep_location
--------+----------+----------+------------+------------+---------+------------+--------+--------+-----------+--------------
  64989 | ADELYN   | SALESMAN |      66928 | 1991-02-20 | 1700.00 |     400.00 |   3001 |   3001 | MARKETING | PERTH
  65271 | WADE     | SALESMAN |      66928 | 1991-02-22 | 1350.00 |     600.00 |   3001 |   3001 | MARKETING | PERTH
(2 rows)

Practice Online

Structure of employee Database:

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