SQL Exercise: Display the location of CLARE

Last update on December 20 2024 11:40:37 (UTC/GMT +8 hours)

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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

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