Table 1 lists the DDM access
method commands supported for DFM keyed files.
Table 1. DDM Access Method
Commands Supported for Distributed FileManager Keyed Files| Access Commands |
RELKEYAM |
RNDKEYAM |
CMBKEYAM |
STRAM |
|---|
| CHGEOF |
... |
... |
... |
YES* |
| CLOSE |
YES |
YES |
YES |
YES |
| DELREC |
YES# |
YES# |
YES# |
... |
| FRCBFF |
YES |
YES |
YES |
YES |
| GETREC |
YES |
YES |
YES |
... |
| GETSTR |
... |
... |
... |
YES |
| INSRECKY |
YES |
YES |
YES |
... |
| INSRECNB |
NO |
NO |
NO |
... |
| LCKSTR |
... |
... |
... |
YES |
| MODREC |
YES |
YES |
YES |
... |
| OPEN |
YES |
YES |
YES |
YES |
| PUTSTR |
... |
... |
... |
YES* |
| SETBOF |
YES |
YES |
YES |
... |
| SETEOF |
YES |
YES |
YES |
... |
| SETKEY |
YES@ |
YES |
YES |
... |
| SETKEYFR |
YES |
YES |
YES |
... |
| SETKEYLM |
YES |
... |
YES |
... |
| SETKEYLS |
YES |
YES |
YES |
... |
| SETKEYNX |
YES |
... |
YES |
... |
| SETKEYPR |
YES |
... |
YES |
... |
| SETNXTKE |
YES |
... |
YES |
... |
| YES |
YES |
YES |
... |
|
| YES |
YES |
YES |
... |
|
| UNLSTR |
... |
... |
... |
YES |
Legend: - Yes
- The command is supported.
- No
- The command is not supported.
- ...
- The command does not apply to the access method.
- *
- DFM limits stream access to read-only support for keyed files.
- #
- DELREC is only supported for KSDSs.
- @
- RELKEYAM is promoted to CMBKEYAM.
|
z/OS DFSMS DFM Guide and Reference
Copyright IBM Corporation 1990, 2014