Comparison operators are essential in any high level programming language. These operators play a major role in allowing comparison of data of the sametype. The 4th Dimension language supports the following 4D data types to beused with comparison operators.

• String
• Numeric
• Date
• Time
• Pointer

This technical note will give a refresher course of what are comparisonoperators, how they are used in a conditional statement, and how they are used with 4D data types.

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