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In database management, what does the term "Normal Form (NF)" refer to?
Question



In database management, what does the term "Normal Form (NF)" refer to?

A.

Database schema optimization

B.

Data encryption method

C.

A set of rules to reduce redundancy

D.

Query execution optimization

E.

Data storage protocol

Correct option is C

Normal Forms (NF) are a set of rules in database design that reduce data redundancy and dependency by organizing data into related tables.
Important Key Points:
1. Normalization improves data integrity and eliminates duplicate data.
2. Common forms include 1NF, 2NF, 3NF, and BCNF (Boyce-Codd Normal Form).
3. Normalization ensures efficient data management and retrieval.
Knowledge Booster:
· 1NF: Eliminates repeating groups within a table.
· 2NF: Ensures no partial dependency of any column on the primary key.
· 3NF: Removes transitive dependencies.
· BCNF: Ensures every determinant is a candidate key.

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