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Question
Which normal form is considered adequate for normal relational database design?
Which normal form is considered adequate for normal relational database design?
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Solution
The correct option is B 3NF
3NF normal form is
considered adequate for normal relational database design.
A relational database table is
often described as “normalized” if it is in the Third Normal Form because most of the 3NF tables are
free of insertion, update, and deletion anomalies.
Third normal form (3NF) is a normal form that is used in normalizing a
database design to reduce the duplication of data and ensure referential
integrity by ensuring that (1) The entity is in 2NF, and (2) All the attributes
in a table are determined only by the candidate keys of that relation and
not by any non-prime attributes.
3NF normal form is considered adequate for normal relational database design.
A relational database table is often described as “normalized” if it is in the Third Normal Form because most of the 3NF tables are free of insertion, update, and deletion anomalies.
Third normal form (3NF) is a normal form that is used in normalizing a database design to reduce the duplication of data and ensure referential integrity by ensuring that (1) The entity is in 2NF, and (2) All the attributes in a table are determined only by the candidate keys of that relation and not by any non-prime attributes.
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