Mindmap
Chapter 5 - DataBase
Inhalt der Mindmap
Chapter 5 - DataBase
Data Model
Apreaches of data Modeling
- ERD
- SOD
- RT
- Inside out
ER Model
- Peter Chen (1976) not a standard
Patterns
Entity vs Entity Class vs Entity Instance
- Entity = Entity Class
- class = collection of objectcs which user car identify and track
- ex: Student
- Entity:
- Attribute
- Something that describes the entity
- something to have a diff value. Like hair color
- Something that describes the entity
Informationen
- Beschreibung
- Mindmap am Chapter 5 - DataBase, erstellt von Stanley Morales am 04/02/2020.
- Erstellt von
- Stanley Morales · Feb 2020
- Aktualisiert
- 14 Mai 2020
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