Using the Adapter for VSAM

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The Adapter for VSAM allows applications to access VSAM data sources. The adapter converts application requests into native VSAM statements and returns optimized answer sets to the requesting application or it inserts the data from an application to the data source. VSAM ESDS, KSDS, and RRDS data sources are supported in Read/Write mode.

The Adapter for VSAM can access VSAM files in batch mode (where VSAM clusters are allocated to the server).

You can also access compressed datasets with this adapter. However, the actual compression is done using the ZCOMP Exit. For details, see Data Set Compression Exit: ZCOMP.


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