LRF Commands

The Logical Record Facility of CA IDMS DMLO allows access to both LR and mixed subschemas. All LRF commands are available, as well as some WHERE clause capabilities.

CA IDMS DMLO supports all WHERE clause features except:

Subscripted fields
More than 4 levels of qualification

WHERE clause syntax is described below.

The WHERE clause can be used in conjunction with the following LRF commands:

OBTAIN FIRST <logical-record-name> WHERE . . .
 OBTAIN NEXT  <logical-record-name> WHERE . . .
 MODIFY       <logical-record-name> WHERE . . .
 ERASE        <logical-record-name> WHERE . . .
 STORE        <logical-record-name> WHERE . . .

See the appropriate CA ADS or CA IDMS DML manual for additional information on these commands.