December 2006
Intermediate to advanced
166 pages
3h 59m
English
book
Java Stand-alone Applications on z/OS Volume II
by Alex Louwe Kooijmans, Jonathan M Barney, Patrick Bruinsma, Venugopal Kailaikurthi, Christian Strauer, Kenichi Yoshimura
Content preview from Java Stand-alone Applications on z/OS Volume II
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120 Java Stand-alone Applications on z/OS Volume II
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7.3.4 Working with VSAM files
In the following sections we explain how to access VSAM files using the JZOS
toolkit APIs.
Virtual Sequential Access Method (VSAM) overview
Virtual Sequential Access Method (VSAM) data sets were designed by IBM to
give users the ability to store data in sequential, random, and keyed access data
set types. The different types of VSAM data sets are:
Key-Sequenced Data Set (KSDS)
Entry-Sequenced Data Set (ESDS)
Relative Record Data Set (RRDS)
Linear Data Set (LDS)
The JZOS toolkit library can only access KSDS, ESDS and RRDS VSAM data
sets. VSAM data sets are ...
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