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Microsoft Access - Class 2 - Part XII

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Field Size for Number fields

The size of a number field is based on the amount of computer memory needed to work with different types of numbers.

You can select any of these sizes from the Field Size list :

Byte
Holds numbers between 0 and 255 with no fractions or decimals.
Integer
Holds numbers between -32,768 and 32,767 with no fractions or decimals.
Long Integer
Holds numbers between -2,147,483,648 and 2,147,483,647 with no fractions or decimals.
Single
Stores numbers times 10 to the -38th to +38th power. It includes fractions and the calculations are accurate to six decimal places. (-3.4x1038) to (3.4x1038).
Double
Stores numbers in the range of 10 to the -324th to +324th power. It includes fractions and the calculations are accurate to 10 decimal places.




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