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Variables in TDL

Introduction
A Variable is a storage location or entity. It is a value that can change, depending on the conditions
or on the information passed to the program.
In TDL, a Variable is one of the important definitions since it helps control the behavior of Reports
and their contents. Variables assume different values during execution and these values affect the
behavior of the Reports
A Variable definition is similar to any other definition.
Syntax
[Variable: ]
Attribute : Value
A Variable should be given a meaningful name which determines its purpose.

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