Multiple choice technology mainframe

A group containing alphabetic fields can be redefined only by

  1. Group containing alphabetic fields

  2. Group containing numeric fields

  3. Group containing alphabetic and numeric fields

  4. None of the above
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C Correct answer
Explanation

COBOL REDEFINES allows alternative data definitions for the same storage area. A group containing only alphabetic fields can only be redefined by a group containing both alphabetic and numeric fields, because this provides compatible storage and allows for more flexible data interpretation while maintaining character compatibility.

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