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1. Database: is an organised collection of related data. It is possible to add, edit, manage and retrieve data from a database. The structure of a database allows data to be found and used quickly.

2. Number (integer)

   • Number (real)

3. Text

4. string

5. Data/Time

6. Currency

7. Boolean

8. Lists

9. Picture

10. Sound

11. Video

12. Key field

13. record

14. field

15. table

16. report

17. ID

18. integer

19. validition

20. range check

21. type check

22. format/ picture check

23. length check

24. presence check