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 …
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 …
Tables and Keys in DBMS Introduction Tables and keys form the backbone of relational databases, organizing data in structured formats. Understanding these concepts is essential for mastering Database Management Systems (DBMS). Key Concepts: Relational Database: The most widely used …
