December 2011
Intermediate to advanced
410 pages
9h 59m
English
book
CICS Transaction Server from Start to Finish
by Chris Rayns, Sarah Bertram, George Bogner, Chris Carlin, Andre Clark, Amy Ferrell, Gordon Keehn, Peter Klein, Ronald Lee, Erhard Woerner
Content preview from CICS Transaction Server from Start to Finish
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Chapter 3. CICS data 107
accessed in either RLS or non-RLS mode. RLS mode allows sharing of data sets
across a parallel sysplex. File control allows updates, additions, deletions,
random retrieval, and sequential retrieval (browsing) of logical data in the data
sets. If VSAM is used, access to logical data can be through a VSAM alternate
index path and through the base data set.
File control reads from, and writes to, user-defined data sets and data tables,
gathers statistics, and acquires dynamic storage for I/O operations. File control
uses control information defined by the user in the file control table (FCT). This
table describes the physical characteristics of all the data sets, and any logical
relationships that can exist between them. ...
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