| IBM Corp, "CICS System Programmers Guide," IBM Corp., White Plains, N.Y., June 1980. |
....method could use the built in events if they were appropriate to his needs. Alternately, he could specify new event types by writing UNDO and REDO procedures for the events and making entries in a system relation holding event information. Such an interface is similar to the one provided by CICS [IBM80]. We turn now to discussing the concurrency control subsystem. If this service is provided transparently and automatically by an underlying module, then special case concurrency control for the system catalogs and index records will be impossible. This approach will severely impact performance ....
IBM Corp, "CICS System Programmers Guide," IBM Corp., White Plains, N.Y., June 1980.
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