Data Integrity

Functional Dependency (FD) is a core concept in relational databases and a fundamental building block for database design and normalization. It describes how attributes (columns) in a table are related to each other, showing how the value of one or more attributes uniquely determines the value of another attribute or set of attributes. This concept is critical for ensuring that the database maintains consistency, data integrity, and supports efficient querying. In simple terms, functional dependencies establish the rules for how data is structured and organized in a relational database. They…