Noun
The part of a COBOL program in which the format and layout of external files and databases, and internally-used variables and constants are defined
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The data division is that portion of the program set aside to identify explicitly all the format characteristics of data received by the program, created within the program, and produced as output.
It is best to define the variables within the data division before writing the procedure division.
We use the data division to control the definition of these fields.