Rational Developer for System z
Enterprise COBOL for z/OS, Version 4.1, Programming Guide


Using variable-length RRDS

To use relative-record data sets (RRDS) that have variable-length records, you must use VSAM variable-length RRDS support.

Do these steps:

  1. Define the file with the ORGANIZATION IS RELATIVE clause.
  2. Use FD entries to describe the records with variable-length sizes.
  3. Use the NOSIMVRD runtime option.
  4. Define the VSAM file through access-method services as an RRDS.

related tasks  
Defining VSAM files


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