Jul 23, 2025 · To represent functional dependency in DBMS has two main features: left (LHS) and right (RHS) of the arrow (->). For example, if we have a table with attributes "X", "Y" and "Z" and the …

Jun 28, 2024 · Functional Dependency (FD) is a constraint that determines the relation of one attribute to another attribute in a Database Management System (DBMS). Functional Dependency helps to …

Functional dependency in DBMS, as the name suggests is a relationship between attributes of a table dependent on each other. Introduced by E. F. Codd, it helps in preventing data redundancy and gets …

In relational database theory, a functional dependency (FD) is constraint between two attribute sets, whereby values in one set (the determinant set) determine the values of the other set (the dependent …

Aug 8, 2025 · Functional Dependency in DBMS shows how one attribute depends on another. Learn its types, examples, properties, normalization use, and key best practices.

Jul 25, 2024 · Functional Dependency in DBMS is a rule that governs how one attribute relates to another within a database. It's like a guiding principle ensuring that for every value of a particular …

Oct 29, 2025 · A functional dependency (FD) is a relationship between two sets of attributes in a relation (table). It shows how one set of attributes determines another. A functional dependency is key to …

Jul 4, 2025 · In Database Management Systems (DBMS), a functional dependency (FD) is a relationship between two sets of attributes in a relation (or table). It expresses a constraint that if two tuples …

Jul 27, 2024 · What are functional dependencies? A functional dependency is a relationship between two sets of attributes in a database, where one set (the determinant) determines the values of the …

For any relation R, attribute Y is functionally dependent on attribute X (usually the PK), if for every valid instance of X, that value of X uniquely determines the value of Y. This relationship is indicated by the …