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File Handling - Run-time Limits

You should be aware that run-time limits may be lower than those imposed by the COBOL Compiler.

File sizes (number of records)

All file organizations No specifiable limit; depends on record size and file size

Index keys (numbers)

Records added with the same duplicate key value in:  
  IDXFORMAT 3 and C-ISAM 65,535
  With IDXFORMAT"4", IDXFORMAT"8", or IDXFORMAT"12" directive 4,294,967,297
Components in a split key: With IDXFORMAT"4", IDXFORMAT"8", or IDXFORMAT"12" directive
  (using Micro Focus format file) 62
  (using C-ISAM format file) 8

Record sizes

All file types 62 KB

Sort keys

Sort key size 4096
Number of sort keys 64
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