w3resource

Basic SELECT statement: Get unique department ID from employee table

MySQL Basic Select Statement: Exercise-2 with Solution

Write a query to get unique department ID from employee table.

Sample table: employees


Code:

SELECT DISTINCT department_id 
	FROM employees;

Pictorial Presentation of the above query


Result :


MySQL Code Editor:

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: Write a query to display the names (first_name, last_name) using alias name "First Name", "Last Name".
Next: Write a query to get the details of all employees according to first name in descending order.

What is the difficulty level of this exercise?