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 …
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 …
