GATE DA 2024 Set 1 — Question 26

MCQ+1 / -0.33EasySelection & ProjectionRelational AlgebraDatabase Management & WarehousingSet Operations

Database Management & Warehousing → Relational Algebra → Selection & Projection

Last updated 5 September 2026

Question

\phi

Your answer

Choose one option, then check your answer.

\Pi_{name}(\text{Team}) \setminus (\Pi_{name}(\text{Defender}) \cap \Pi_{name}(\text{Forward})) = \phi

(\Pi_{name}(\text{Defender}) \cap \Pi_{name}(\text{Forward})) \setminus \Pi_{name}(\text{Team}) = \phi

\Pi_{name}(\text{Team}) \setminus (\Pi_{name}(\text{Defender}) \cup \Pi_{name}(\text{Forward})) = \phi

(\Pi_{name}(\text{Defender}) \cup \Pi_{name}(\text{Forward})) \setminus \Pi_{name}(\text{Team}) = \phi

The solution stays hidden until you check.

T

Review answer and solution without JavaScript

Interactive answer checking needs JavaScript. The published solution is available below.

T

Continue learning with Success Tracker

Use Success Tracker to ask about the reasoning, then try another GATE DA question to check your understanding.

AI-powered practice· Unlimited practice on eligible plans

PYQs with solutions: Attempt available previous-year questions, then compare your reasoning with the worked solution. Coverage varies by stream.
Practice that adapts: Choose a topic, work on weaker areas and bookmark questions to revisit. Your attempts feed your progress tracking.
AI doubt support: Ask follow-up questions about a step or concept while practising, instead of stopping at the final answer.

Unlimited practice is available on eligible plans. Free practice and AI usage have limits; check the current plan allowances before choosing.

This page stays readable without an account. AI responses can be wrong; check them against the solution and source material.

\text{Let } R(A,B,C,D,E)