SQL subqueries on employee Database: List the most senior employee working under KAYLING and grade is more than 3

SQL subqueries on employee Database: Exercise-25 with Solution

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25. From the following table, write a SQL query to find the most senior employee of grade 4 or 5, work under KAYLING. Return complete information about the employees.

Sample table: employees

Sample table: salary_grade

Sample Solution:

SELECT *
FROM employees
WHERE hire_date IN
    (SELECT min(hire_date)
     FROM employees
     WHERE emp_id IN
         (SELECT emp_id
          FROM employees e,
               salary_grade s
          WHERE e.salary BETWEEN s.min_sal AND s.max_sal
            AND s.grade IN (4,
                            5)))
  AND manager_id IN
    (SELECT emp_id
     FROM employees
     WHERE emp_name = 'KAYLING');

Sample Output:

 emp_id | emp_name | job_name | manager_id | hire_date  | salary  | commission | dep_id
--------+----------+----------+------------+------------+---------+------------+--------
  65646 | JONAS    | MANAGER  |      68319 | 1991-04-02 | 2957.00 |            |   2001
(1 row)

Practice Online

Structure of employee Database:

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Previous: From the following table, write a SQL query to find those employees who joined in 1991 in a designation same as the most senior person of the year 1991. Return complete information about the employees.
Next: From the following table, write a SQL query to compute the total salary of the designation MANAGER. Return total salary.