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SQL exercises on employee Database: List the managers of department 1001 or 2001

SQL employee Database: Exercise-49 with Solution

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49. From the following table, write a SQL query to find those managers who are in the department 1001 or 2001. Return complete information about the employees.

Sample table: employees


Pictorial Presentation:

SQL exercises on employee Database: List the managers of department 1001 or 2001

Sample Solution:

SELECT *
FROM employees
WHERE job_name = 'MANAGER'
  AND (dep_id = 1001
       OR dep_id =2001);

Sample Output:

 emp_id | emp_name | job_name | manager_id | hire_date  | salary  | commission | dep_id
--------+----------+----------+------------+------------+---------+------------+--------
  67832 | CLARE    | MANAGER  |      68319 | 1991-06-09 | 2550.00 |            |   1001
  65646 | JONAS    | MANAGER  |      68319 | 1991-04-02 | 2957.00 |            |   2001
(2 rows)

Relational Algebra Expression:

Relational Algebra Expression: List the managers of department 1001 or 2001.

Relational Algebra Tree:

Relational Algebra Tree: List the managers of department 1001 or 2001.

Practice Online


Sample Database: employee

employee database structure

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Previous: From the following table, write a SQL query to find those employees who joined in 90's. Return complete information about the employees.
Next: From the following table, write a SQL query to find those employees who joined in the month FEBRUARY with a salary range between 1001 to 2000 (Begin and end values are included.). Return complete information about the employees.

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SQL: Tips of the Day

How to restore a dump file from mysqldump?

It should be as simple as running this:

mysql -u <user> -p < db_backup.dump

If the dump is of a single database you may have to add a line at the top of the file:

USE <database-name-here>;

Ref: https://bit.ly/3xKmyw2