Given the relationsemployee (name, salary, deptno) anddepartment (deptno, deptname, address)Which of the following queries cannot be expressed using the basic relational algebra operations (U, -, x, π, σ, p)?

All employees of a given department

Department address of every employee

Employees whose name is the same as their department name

The sum of all employees' salaries

Given the relationsemployee (name, salary, deptno) anddepartment (dept

1.	Given the relationsemployee (name, salary, deptno) anddepartment (deptno, deptname, address)Which of the following queries cannot be expressed using the basic relational algebra operations (U, -, x, π, σ, 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» D. All employees of a given department

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Given the relationsemployee (name, salary, deptno) anddepartment (deptno, deptname, address)Which of the following queries cannot be expressed using the basic relational algebra operations (U, -, x, π, σ, p)?

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