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Using the Indexed Sequential Access Method z/OS DFSMS Using Data Sets SC23-6855-00 |
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This topic covers the following subtopics.
Note: z/OS no longer supports indexed sequential (ISAM) data sets.
Before migrating to z/OS V1R7, convert your indexed sequential data
sets to key sequenced data sets (KSDS). To ease the task of converting
programs from ISAM to VSAM, consider using the ISAM interface for
VSAM. See Using ISAM Programs with VSAM Data Sets. The ISAM interface
requires 24-bit addressing.
This topic is written as if you were using ISAM to access real ISAM data sets. Some parts of this topic describe functions that the system no longer supports. Using ISAM Programs with VSAM Data Sets clarifies this topic. |
Copyright IBM Corporation 1990, 2014
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