Prepare for NTA UGC NET Computer Science with these carefully curated questions covering SQL queries, relational algebra, entity-relationship models, foreign keys, normalization, and more. This comprehensive guide provides concept clarity and includes essential topics like referential integrity, joins (INNER and …
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 …
Question 1 Consider a relation schema S = (P, Q, R, T, U, V) with the following functional dependencies: P → Q P → R QR → V QR → U Q → T Which of the following is a …
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 …