what is bcnf in dbms | Boyce Codd Normal Form | dbms interview questions and answers

BCNF if every determinant is a candidate key.A table can de in 3NF but not in BCNF.This occurs when a non key attribute is a determinant of a key attribute. There are no transitive dependencies.

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[agilan]

database management system (DBMS) is a computer software application that interacts with the user, other applications, and the database itself to capture and analyze data. A general-purpose DBMS is designed to allow the definition, creation, querying, update, and administration of databases.

[hemamalinig]

Boyce–Codd normal form (or BCNF or 3.5NF) is a normal form used in database normalization. It is a slightly stronger version of the third normal form (3NF). BCNF was developed in 1974 by Raymond F. Boyce and Edgar F. Codd to address certain types of anomalies not dealt with by 3NF as originally defined.

[kalieswaran]

A DBMS is a software that allows creation, definition and manipulation of database. Dbms is actualy a tool used to perform any kind of operation on data in database. Dbms also provides protection and security to database. It maintains data consistency in case of multiple users.