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Data Types are simply enough the types of data a variable or field in a database can store.

Numerical Data types

Numerical data types are used to represent

Whole Numbers

Main article: Integer

These numbers are the numbers that do not contain decimal points. Aside from the lack of decimal points, the only restrictions are memory size and whether the number can be negative or not.

Decimal

Main article: Decimal

These numbers contain decimal points.

Character

Data Type
Programming Character - Floating point Number - User-defined Type - Integer
Database Character - Decimal - Integer - Blob
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