Nittaya Wongyai
Normalization        Normalization             Normal Form         3                     1          1NF                ...
Normalization
ER-to-Relational Mapping Algorithm                          Strong Entity          (PK)  P1101           6     990  P1102 ...
ER-to-Relational Mapping Algorithm         PK J1101           2554           Weak Entity J1102           2554             ...
PK550987786                                          Associative550987787                                   Entity        ...
The Process of Normalization:         First Normal Form 1NF            1NF    Atomic                        1           ...
The Process of Normalization: First Normal Form                     1NF
The Process of Normalization:       Second Normal Form 2NF             2NF    1NF                (Primary key)         ...
The Process of Normalization: Second Normal Form                       2NF1NF2NF
2 NF
The Process of Normalization:         Third Normal Form 3NF          3NF    2NF                  Transitive Dependency
The Process of Normalization: Third Normal Form                      3NF2NF3NF
Boyce-Codd Normal Form(BCNF)   (Candidate key)    2
BCNF
The Process of Normalization: Fourth Normal Form                      4NF            BCNF       Multivalued Dependencie...
BCNF   4NF
BCNF4NF
The Process of Normalization: Fifth Normal Form                     5NF                      4NF                  Join ...
5 NF
5 NF
Normalization
Normalization
Normalization
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Normalization

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Normalization

  1. 1. Nittaya Wongyai
  2. 2. Normalization Normalization Normal Form 3  1 1NF  2 2NF E.F.Codd  3 3NF  Boyce/Codd Normal Form BCNF  4 4NF Fagin  5 5NF
  3. 3. Normalization
  4. 4. ER-to-Relational Mapping Algorithm Strong Entity (PK) P1101 6 990 P1102 199
  5. 5. ER-to-Relational Mapping Algorithm PK J1101 2554 Weak Entity J1102 2554 FK) J1101 J1102
  6. 6. PK550987786 Associative550987787 Entity (FK) (FK)550987786 LSIT1111 89 A550987787 LSIT1113 49 F PK LSIT1111 LSIT1113
  7. 7. The Process of Normalization: First Normal Form 1NF 1NF Atomic 1 Repeating groups
  8. 8. The Process of Normalization: First Normal Form 1NF
  9. 9. The Process of Normalization: Second Normal Form 2NF 2NF 1NF (Primary key) Composite key Partial Dependency
  10. 10. The Process of Normalization: Second Normal Form 2NF1NF2NF
  11. 11. 2 NF
  12. 12. The Process of Normalization: Third Normal Form 3NF 3NF 2NF Transitive Dependency
  13. 13. The Process of Normalization: Third Normal Form 3NF2NF3NF
  14. 14. Boyce-Codd Normal Form(BCNF) (Candidate key) 2
  15. 15. BCNF
  16. 16. The Process of Normalization: Fourth Normal Form 4NF BCNF Multivalued Dependencies (MVDs)  3  2
  17. 17. BCNF 4NF
  18. 18. BCNF4NF
  19. 19. The Process of Normalization: Fifth Normal Form 5NF 4NF Join Dependency
  20. 20. 5 NF
  21. 21. 5 NF

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