Databases

Databases

1. benefits

   • Fast access and faster than paper based systems
   • Easy to edit
   • Valadtion setting checks on the data as it is entered
   • Reports can be printed
   • Sharing
   • security

2. a database is a collection of data

3. Verification - means to check the data that you entered against the original source data

4. Valadtion - This is something that automaticly checks the data entered is sensible and resonable.

5. Key fields

6. data types

7. range check

8. format check

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