Server Guide


Writing CICS applications that access IMS databases

You can use IMS DL/I calls from your CICS application. The only calls available to a CICS program are those calls associated with IMS DB; a CICS program cannot access those calls associated with IMS TM. A CICS application has two responsibilities that an IMS application does not have when accessing IMS databases. The CICS application must schedule a program specification block (PSB) with IMS DB, and, when processing within the database is complete, must end the PSB.


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