| Keyword | Values | SEGM Description |
|---|---|---|
| NAME | *NAME | Supported and edited |
| PARENT | 0, SEGNAME | Supported and edited |
| SNGL, DBLE | Ignored | |
| logical parent | Supported and edited. The virtual/physical pointer option is ignored. | |
| BYTES | All values | Supported and edited
A maximum of 32,760 is supported. The value is not checked to see if it exceeds the device type capacity or the access method limits. A maximum of 1,792 is supported for a segment in an INDEX DBD. |
| TYPE | DIR, SEQ | Supported and edited |
| FREQ | All values | Ignored |
| PTR, POINTER | All values | Ignored. IMS Option uses a proprietary pointer technique. All needed pointers are automatically created. |
| RULES | logicals | Insert and replace rules are fully supported. Delete rules are partially supported. |
| FIRST, LAST, HERE | Non-uniquely keyed insert rules are supported and edited. Rules of HERE are changed to LAST for logical children and root segments. | |
| SOURCE | All values | Supported and edited |
| COMPRTN | All values | Ignored. Compression can be enabled using the DB Catalog or System Configuration Catalog defaults. |
| SSPTR | All values | Not supported - causes a warning message |
| EXIT | All values | All EXIT options are supported except LOG. A maximum of nine EXIT routines may be specified. See the chapter For the Database Administrator (DBA) for details on data capture exits. |
| Others | Any keyword not listed produces a warning message |