Answer Posted / bikash khuntia
Normalization means the process in which raw data is
converted to filtered data.
Types of Normalization are:- 1NF,2NF,3NF.
1NF:- Table that contains one or more repeating groups
Identify and remove repeating groups.
2NF:-Describes a table that is fully functionally dependent
Full functional dependency – means that if B is
functionally dependent on A but not on any proper subset of
A, it is fully functionally dependent on A
Partial dependency – is if there are some attributes from A
that can be removed and the dependency still holds
3NF:- In 3NF we remove the transitive dependencies.
Transitive dependency – A->B and B->C implies that A->C
C is transitionally dependent on A through B
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