What Is Functionally Dependent
A Functional Dependency (Fd) Is a Relationship Between Two Attributes, Typically Between the Pk and Other Non-Key Attributes Within a Table. for Any Relation...
A functional dependency (FD) is a relationship between two attributes, typically between the PK and other non-key attributes within a table. 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.
What does functionally Dependant mean?
Functional dependency is a relationship that exists when one attribute uniquely determines another attribute.
What is called functional dependency?
A functional dependency is a constraint that specifies the relationship between two sets of attributes where one set can accurately determine the value of other sets. … The attribute set on the left side of the arrow, X is called Determinant, while on the right side, Y is called the Dependent.
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