Types of databases

Types of databases

1. Flat databases

   • Disadvatage
     • You have to keep repeating the information and is easy to make a mistake.
   • Advantage
     • Its only one table to look at.

2. Relational databases

   • Advantage
     • Easy to find information and you can easily restrict data

3. Network databases

4. Local databses

   • Example
     • a financial part of business would be restricted and can only be accessed by one person.
   • Why they are used?
     • Only one person can access or use it.

5. Online databases

   • Why they are used?
     • Super markets who are storing products and selling products like asda, tescos Sainsbury etc
   • Example
     • Store details and information using the internet . this requires internet connection.

6. Features

   • information separated into discrete entities
   • Based on the real world