SQL subqueries on employee Database: List the details of the senior employees as on year 1991

SQL subqueries on employee Database: Exercise-23 with Solution

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23. From the following table, write a SQL query to find those employees who are senior employees as of year 1991. Return complete information about the employees.

Sample table: employees

Sample Solution:

SELECT *
FROM employees
WHERE hire_date IN
    (SELECT min(hire_date)
     FROM employees
     WHERE to_char(hire_date,'YYYY') = '1991');

OR

SELECT *
FROM employees
WHERE hire_date =
    (SELECT min(hire_date)
     FROM employees
     WHERE to_char(hire_date,'YYYY') = '1991');

Sample Output:

 emp_id | emp_name | job_name | manager_id | hire_date  | salary  | commission | dep_id
--------+----------+----------+------------+------------+---------+------------+--------
  64989 | ADELYN   | SALESMAN |      66928 | 1991-02-20 | 1700.00 |     400.00 |   3001
(1 row)

Practice Online

Structure of employee Database:

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Previous: From the following tables, write a SQL query to find those employees of grade 3 to 5 and location at SYDNEY. The employees are not in PRESIDENT designated and salary is more than the highest paid employee of PERTH where no MANAGER and SALESMAN are working under KAYLING. Return complete information about the employees.
Next: 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.