If a file is defined as a CICS®-maintained data table (CMT),
the source data set and the data table are treated by CICS as
a single entity. This means that:
- Changes to the file are made to both the source data set and the
data table.
- If another file is defined to use the same source data set, changes
that are made by that file to the source data set are also made to
the data table.
- If another file is defined to use the same source data set, records
can be retrieved by that file from the data table.
This chapter discusses the CICS-maintained data table under:
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