Mindmap
Databases
Inhalt der Mindmap
Databases
Flat file
- Single table
- Harder to update
- Potential data duplication
- Mistakes are made easier as you have to update all instances of a piece of data
Relational
- Data is more consistant
- Stored in several tables
- Linked with relationships
- One to one
- One to many
- Many to one
- Linked with relationships
- No data duplication
- Only need to update data once
A large collection of organised data
Informationen
- Beschreibung
- Mindmap am Databases, erstellt von goldj059.3031242 am 29/09/2013.
- Erstellt von
- goldj059.3031242
- Aufrufe
- 18
- Bewertung