This chapter describes the three different transient data queues in CICS® and also explains automatic transaction initiation.
The CICS transient data control facility provides a generalized queuing facility. Data can be queued (stored) for subsequent internal or external processing. Selected data, specified in the application program, can be routed to or from predefined symbolic transient data queues: either intrapartition or extrapartition.
Transient data queues are intrapartition if they are associated with a facility allocated to the CICS region, and extrapartition if the data is directed to a destination that is external to the CICS region. Transient data queues must be defined and installed before first reference by an application program.
You can:
If the TD keyword is omitted, the command is assumed to be for temporary storage. (See Temporary storage control for more information about temporary storage.)
The application programming interface described in this chapter is the EXEC CICS API, which is not used in Java™ programs. For information about Java programs using the JCICS classes to access transient data services, see the Java Applications in CICS component of the CICS Information Center and the JCICS Javadoc html documentation. For information about C++ programs using the CICS C++ classes, see the CICS C++ OO Class Libraries manual.
This chapter describes:
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