Domain-key normal form

Domain-Key Normal Form (DKNF) is a type of database normalization that aims to eliminate redundancy and update anomalies in relational databases. It is one of the higher normal forms, beyond Boyce-Codd Normal Form (BCNF) and Fourth Normal Form (4NF). ### Key Concepts of Domain-Key Normal Form: 1. **Domain**: In the context of databases, a domain refers to the set of allowable values that a database attribute can take.