Normalization in DB2 – first normal form, second normal form

Answer Posted / mohan.s

Third normal form (3NF) requires that data stored in a
table be dependent only on the primary key, and not on any
other field in the table.

• The database must meet all the requirements of the
first and second normal form.

• All fields must be directly dependent on the
primary key field. Any field which is dependent on a non-
key field which is in turn dependent on the Primary Key (ie
a transitive dependency) is moved out to a separate
database table.

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