You should be aware that run-time limits may be lower than those imposed by the COBOL Compiler.
| All file organizations | No specifiable limit; depends on record size and file size |
| Records added with the same duplicate key value in: | ||
| IDXFORMAT 3 and C-ISAM | 65,535 | |
| With IDXFORMAT"4" or IDXFORMAT"8" directive | 4,294,967,297 | |
| Components in a split key: | ||
| (using Micro Focus format file) | 62 | |
| (using C-ISAM format file) | 8 | |
| All file types | 62 KB |
| Sort key size | 4096 |
| Number of sort keys | 64 |