0
Given Employees(EmpID, Name, Dept), which relational algebra expression correctly returns the names of employees who work in the 'Sales' department?
- Aπ_Name (σ_Dept='Sales' (Employees))
- Bσ_Name (π_Dept='Sales' (Employees))
- Cπ_Dept='Sales' (σ_Name (Employees))
- Dρ_Name (σ_Dept='Sales' (Employees))
Correct answer: A