Databases

Databases

1. What is meant by database? A datbase is a system designed to store data in an oranised way

   • A database needs to be reliable and consistent

2. Types of Databases

   • Paper databases
     • Paper databases has to be regularly updated. An example of this is the Yellow Pages
   • Computer databases
     • Computer databases can be encrypted and be edited at will. An example is iTunes

3. Primary Key

4. Validation

   • This checks if it's the correct type of data entered

5. Verification

   • This checks if it's the information that you want