Understanding ER Diagrams and Relational Mapping in DBMS Question: Which of the following statements is true about the above ER diagram? The minimum number of relations required for the above ER diagram is 2. Attribute C will be present as …
Axioms of Functional Dependencies in DBMS The Axioms of Functional Dependencies (also known as Armstrong’s Axioms) are a set of rules used to infer all possible functional dependencies from a given set of FDs. These axioms are sound (valid) and …
Are you preparing for GATE CSE, NTA UGC NET, ISRO, or NIELIT Computer Science exams? Understanding DBMS and mastering SQL is crucial for scoring high in competitive exams. This article contains carefully selected practice questions on functional dependencies, normalization (3NF …
Question 1: Rent Payment Management in Hotel System Consider the entities ‘Apartment’ and ‘Tenant’ with a many-to-many relationship ‘Lease’ as shown below: If we wish to store information about the monthly rent paid by tenants occupying different apartments, this information …
Question 1: Functional Dependencies Suppose the following functional dependencies hold on a relation V with attributes A, B, C, D, and E: A → BC CD → E Which of the following functional dependencies can be inferred from the above …
Relational Algebra Questions and Answers in DBMS Master the fundamentals of relational algebra with our detailed step-by-step solutions to common DBMS questions. This guide is perfect for students preparing for GATE, UGC NET, and technical interviews. Understand core concepts …
Mastering Relational Algebra, SQL, and Functional Dependencies for Competitive Exams In today’s competitive world, mastering database concepts is not just a requirement for academic excellence but also a necessity for clearing challenging competitive exams like GATE CSE, UGC …
This post explores the concepts of Third Normal Form (3NF) in relational databases and the types of functional dependencies that may still exist in a 3NF database. We provide a detailed discussion to help you master these crucial concepts for …
GATE CSE 1987 Question 2n: Mastering Functional Dependencies in Databases Are you preparing for GATE CSE and struggling with database concepts? Let’s dive deep into a classic question from GATE CSE 1987 that tests your understanding of functional dependencies. This …
