Open In App
Related Articles

GATE | GATE-CS-2000 | Question 23

Improve Article
Save Article
Like Article

Given the relations

employee (name, salary, deptno) and
department (deptno, deptname, address)

Which of the following queries cannot be expressed using the basic relational algebra operations (U, -, x, \pi, \sigma , p)?
(A) Department address of every employee
(B) Employees whose name is the same as their department name
(C) The sum of all employees’ salaries
(D) All employees of a given department

Answer: (C)

Explanation: See question 1 of

Quiz of this Question

Last Updated : 28 Jun, 2021
Like Article
Save Article
Similar Reads