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RDBMS (Relational DataBase Management System)

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The Relational Model is introduced by a German Scientist Dr. E.F. Codd in 1970 on Mathematical concept known as relational Algebra.

Dr. E.F. Codd provides some Laws for Fully Functional Relational Database Management System these are given.

1: Relational Database Management A Relational database management system uses only its relational experiences to manage the data in his database.

2: Information Representation

3: Logical Accessibility.

4: Insert, update and delete

5: Representation of Null values

6: Catalog facilities

7: Data Language

8: View updatability

9: Physical data independence

10: Logical data independence

11: Database Distribution

12: Non Subversion

13: Integrity Constraints

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