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What is normalization in the database?

Answer»
  • Normalization(data normalization or DATABASE normalization) is the technique of data organization in the database to minimize data redundancy and improve data integrity. Through database normalization, we can organize the data in TABLES and columns, and also we can define a RELATIONSHIP between these tables or columns.
  • Below are the commonly USED normalization FORMS:
    • First Normal Form(1NF)
    • Second Normal Form(2NF)
    • Third Normal Form(3NF)
    • Boyce-Codd Normal Form(BCNF)
    • Fourth Normal Form(4NF)
    • Fifth Normal Form(5NF)


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