SQL exercises on employee Database: List the employees who are either CLERK or MANAGER

SQL employee Database: Exercise-40 with Solution

[An editor is available at the bottom of the page to write and execute the scripts.]

40. From the following table, write a SQL query to find those employees who are either CLERK or MANAGER. Return complete information about the employees.

Sample table: employees

Pictorial Presentation:

Sample Solution:

SELECT *
FROM employees
WHERE job_name IN ('CLERK','MANAGER');

Sample Output:

 emp_id | emp_name | job_name | manager_id | hire_date  | salary  | commission | dep_id
--------+----------+----------+------------+------------+---------+------------+--------
  66928 | BLAZE    | MANAGER  |      68319 | 1991-05-01 | 2750.00 |            |   3001
  67832 | CLARE    | MANAGER  |      68319 | 1991-06-09 | 2550.00 |            |   1001
  65646 | JONAS    | MANAGER  |      68319 | 1991-04-02 | 2957.00 |            |   2001
  63679 | SANDRINE | CLERK    |      69062 | 1990-12-18 |  900.00 |            |   2001
  68736 | ADNRES   | CLERK    |      67858 | 1997-05-23 | 1200.00 |            |   2001
  69000 | JULIUS   | CLERK    |      66928 | 1991-12-03 | 1050.00 |            |   3001
  69324 | MARKER   | CLERK    |      67832 | 1992-01-23 | 1400.00 |            |   1001
(7 rows)

Relational Algebra Expression:

Relational Algebra Tree:

Practice Online

Sample Database: employee

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: From the following table, write a query in SQL to find those employees where - 1. the employees receive some commission which should not be more than the salary and annual salary including commission is below 34000. 2. Designation is ‘SALESMAN’ and working in the department ‘3001’. Return employee ID, employee name, salary and job name.
Next: From the following table, write a SQL query to find those employees who joined in any year except the month of February. Return complete information about the employees.