CICS

CICS (Customer Information Control System) is an IBM product for transaction management. CICS provides database and data communications (DB/DC) support for transaction based programs. Third-party products like TMON and OMEGAMON can be used to monitor CICS transactions and gather transaction statistics.

Oracle Access Manager for CICS

Oracle provides an Oracle Access Manager for CICS product that can be used to run 3GL programs (i.e. COBOL, C, etc.) in a CICS environment.

Oracle's Access Manager replaced their prior CICS-Attach product. With Access Manager it was no longer required to have an Oracle database on MVS. One could, for example, run CICS on OS/390 and have the database on a UNIX platform.

Transaction synchronization can be controlled by CICS (with the EXEC CICS SYNCPOINT call). This means that multiple data sources like DB/2, IMS, as well as Oracle on OS/390 and non-MVS platforms can be updated or rolled back as a single transaction.

History

SQL*Forms V2.3 and V3.0 was able to execute from CICS, but Oracle de-supported SQL*Forms on MVS effective from 1 January 1998. The main problem was that CICS mainly supported pseudo-conversational transactions, while SQL*Forms was conversational in nature and thus used more memory than was typically observed for mainframe-type applications.

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