When we design a database we
can choose what type of data is to be stored in a particular field. This
is done using a field design table:
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- Number
fields are used when the data to be stored is a
numerical value.
- Date
fields are used when data is to be stored as a
date.
- Logical
fields store 'true' or 'false' values.
- Graphical
fields can store data which is held in a graphics
format.
- Currency
fields store data in a currency format.
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