SQL Exercise: Employees who joined after the month of JUNE in 1991

SQL employee Database: Exercise-47 with Solution

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47. From the following table, write a SQL query to find which employees joined the company after the month of June in 1991 and within this year. Return complete information about the employees.

Sample table: employees

Pictorial Presentation:

Sample Solution:

SELECT *
FROM employees
WHERE hire_date BETWEEN '01-JUL-91' AND '31-DEC-91';

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
  69062 | FRANK    | ANALYST   |      65646 | 1991-12-03 | 3100.00 |            |   2001
  66564 | MADDEN   | SALESMAN  |      66928 | 1991-09-28 | 1350.00 |    1500.00 |   3001
  68454 | TUCKER   | SALESMAN  |      66928 | 1991-09-08 | 1600.00 |       0.00 |   3001
  69000 | JULIUS   | CLERK     |      66928 | 1991-12-03 | 1050.00 |            |   3001
(5 rows)

Explanation:

The said query in SQL that selects all employees who were hired between July 1, 1991, and December 31, 1991.

All employees hired between July 1, 1991, and December 31, 1991 are included in the WHERE clause.

The "BETWEEN" is inclusive, so employees hired on December 31st, 1991 would also be included in the result set.

Relational Algebra Expression:

Relational Algebra Tree:

Practice Online

Sample Database: employee

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