Databases

Databases

1. 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

2. Relational

   • Data is more consistant
   • Stored in several tables
     • Linked with relationships
       • One to one
       • One to many
       • Many to one
   • No data duplication
   • Only need to update data once

3. A large collection of organised data