Oracle 12c: SQL
Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Chapter 1, Problem 8RQ

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Normalization process:

The process used to minimize data redundancy and dependency in a relational database is known as normalization. The database table is divided into two or more tables and defines the relationship between those tables.

 Steps of normalization process:

 First, a primary key is identified and any repeating groups are identified (1NF). Second, any partial dependencies are eliminated (2NF). Third, any transitive dependencies are eliminated (3NF).

 First-Normal Form (1NF):

  • If a table does not contain any replicate fields or groups of fields then that model is called as first normal form.
  • In this form, entities do not contain any single instance of the repeating variable.
    • It means that the entities contain only one instance of the attributes, multi-valued attributes are neglected...

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