DML Correspondences To VSAM Commands

CA IDMS VSAM Transparency converts VSAM commands to DML commands, which are passed to the database management system for processing.

The following table shows the DML correspondences to VSAM commands.

VSAM Command	CA IDMS/DB DML Command
READ BY KEY	OBTAIN WITHIN SET USING SORTKEY
START/STARTBR	FIND WITHIN SET USING SORTKEY
READ NEXT	OBTAIN FIRST/NEXT WITHIN SET
READ PREVIOUS	OBTAIN LAST/PRIOR WITHIN SET
WRITE	STORE
REWRITE	MODIFY
DELETE	ERASE