SQL Exercise: Designation or salaries exceed match Marker or Adelyn's

SQL subqueries on employee Database: Exercise-12 with Solution

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12. From the following table, write a SQL query to find those employees whose designation are the same as the designation of MARKER or salary is more than the salary of ADELYN. Return complete information about the employees.

Sample table: employees

Sample Solution:

SELECT *
FROM employees
WHERE job_name =
    (SELECT job_name
     FROM employees
     WHERE emp_name = 'MARKER' )
  OR salary>
    (SELECT salary
     FROM employees
     WHERE emp_name = 'ADELYN');

Sample Output:

 emp_id | emp_name | job_name  | manager_id | hire_date  | salary  | commission | dep_id
--------+----------+-----------+------------+------------+---------+------------+--------
  68319 | KAYLING  | PRESIDENT |            | 1991-11-18 | 6000.00 |            |   1001
  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
  67858 | SCARLET  | ANALYST   |      65646 | 1997-04-19 | 3100.00 |            |   2001
  69062 | FRANK    | ANALYST   |      65646 | 1991-12-03 | 3100.00 |            |   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
(10 rows)

Explanation:

The said query in SQL that selects all columns from the 'employees' table where either the "job_name" is equal to the "job_name" of the employee named "MARKER", or the "salary" is greater than the "salary" of the employee named "ADELYN".

The subquery in the WHERE clause selects all employees who have the same "job_name" as the employee named "MARKER".

The another subquery in the WHERE clause that selects all employees who have a salary greater than the employee named "ADELYN".

Practice Online

Structure of employee Database:

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