Question In a relational database, if A is a foreign key in relation R that references the primary key B in relation S, and X represents the set of non-null values in A, while Y is the set of all …
Conflict and View Serializability in DBMS – Practice Question Question: Which of the following are true? A: All view serializable schedules are conflict serializable as well. B: All conflict serializable schedules are view serializable as well. C: If a …
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 …