Program Studi Manajemen Bisnis Telekomun

(1)

Mata Kuliah: Data Management

Oleh: Yudi Priyadi

(2)

Telkom University



Students are able to explain the types of anomalies during the process of

normalization,



Students are able to apply the concept of functional ketergatungan an attribute in a

table,



Students are able to conduct analysis for abnormal shape to the normal form that

refers to the normalization rules based design modeling diagram E-R to be converted

into a physical table,



Students are able to conduct an evaluation of the implementation of a requirement

that must be met at the time towards a better shape (well structured relations).

(3)

Telkom University

Source: Y.Priyadi. 2014. Kolaborasi SQL & ERD Dalam

Implementasi Database (ISBN:978-979-29-2195-3), Andi Publisher

(4)

Telkom University

Functional Dependency

1. Attribute X functionally determines Attribute Y, or

2. Attribute Y dependent function of Attribute X.

The notation for attributes X and Y :

kodepasien



namapasien

{ penyakit, kodepasien }



diagnosis

Full functional dependency

kodepasien



nokmar

Partially dependency

{kodepasien, namapasien}



nokmar

Transitive Dependency

X



Y



Z

kodepasien



{namapasien, nokmar, penyakit}

nokamar



penyakit

(5)

Telkom University

Bentuk Tidak Normal (UNF)

Bentuk Normal Pertama (1NF)

Bentuk Normal Kedua (2NF)

Bentuk Normal Ketiga (3NF)

Bentuk Normal Boyce Codd

(BC/NF)

Bentuk Normal

Keempat (4NF)

Bentuk Normal

Kelima (5NF)

NF

Stages Process of Normalization Forms

Stages of Normalization Process Rules

(6)

Telkom University

Illustration for Normalization Process

(7)

Telkom University

(8)

Telkom University