Question 11
Suppose relation R(A,B,C,D) has candidate keys: {A,B} and {A,C}. How many distinct superkeys does relation R have?
Question 11: Suppose relation R(A,B,C,D) has candidate keys: {A,B} an…
Show answer
A written answer, not marked automatically.
Question 11 of 16 in the IIT Madras BS Database Management Systems (DBMS) Quiz 1 paper sat on 19 Jul 2026, in the May 2026 term (Database Management Systems 16 Jul 26). It carries 2 marks.
More questions from this paper
- Which of the following components of the Database Management System (DBMS) is primarily responsible for generating and …
- Consider the relation Delivery_Fee:
- Consider the following SQL statements are executed in sequence on a newly created table Shipment:
- Create a table Assignment(AssignID, PilotID, FlightNo, Date) with the following criteria that must be satisfied: • Ever…
- Figure question
- Consider the relational schemas Pilot, Aircraft_Type and Certified:
- Consider the following relational schema for a movie database:
- Consider two relations R(A, B) and S(B, C). Which of the following SQL queries is/are logically equivalent to the Relat…
- Consider the Entity-Relationship (ER) diagram below representing an organization’s logical schema of their database:
- Consider the following two relations and
- Let R(A,B) = {(1,2),(2,3),(3,4)} and S(B,C) = {(2,5),(3,6)}. Find the number of tuples in .
- Consider the following three tables:
- Consider an EER model in which Person is a supertype entity type. Two subtype entity types, Employee and AccountHolder,…
- Consider two relations R(A,B) and S(B). Relation R contains 10 tuples and relation S contains 2 tuples. Both relations …
- Consider the following Employee table: