SQL Exercise: Display the location of CLARE

Last update on December 20 2024 12:00:00 (UTC/GMT +8 hours)

[An editor is available at the bottom of the page to write and execute the scripts.]

71. From the following table, write a SQL query to find the department location of employee ‘CLARE’. Return department location.

Pictorial Presentation:

Sample table: employees

Sample table: department

Sample Solution:

SELECT dep_location
FROM department d,
     employees e
WHERE e.emp_name = 'CLARE'
  AND e.dep_id = d.dep_id ;

Sample Output:

 dep_location
--------------
 SYDNEY
(1 row)

Explanation:

The provided query in SQL that retrieves the department location of the employee named 'CLARE' by joining the 'department' and 'employees' tables based on the "dep_id" column.

The query returns a single column "dep_location" from the 'department' table where the "dep_id" column matches the "dep_id" column in the 'employees' table for the employee named 'CLARE'.

Relational Algebra Expression:

Relational Algebra Tree:

Practice Online

Sample Database: employee

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

Previous SQL Exercise: Employees who are CLERK, ANALYST in descending order.
Next SQL Exercise: Employees joining on given days, ascending in seniority.