In relational algebra, which operation is used to select specific columns (attributes) from a relation while eliminating duplicate rows in the result?
- Aσ (Selection)
- Bπ (Projection)
- C⋈ (Join)
- Dρ (Rename)
Correct answer: B
Discussion 0
Log in or create a free account to join the discussion.
Nobody has replied yet. Start the discussion!