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 …