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| Accessing VSAM Data Sets |
Extended-Format VSAM Data Sets
SAS supports extended-format VSAM data sets. These data sets are managed with SMS, and they are defined as extended format with the data class DSNTYPE=EXT parameter and sub-parameters.
Extended-format data sets are the basis for many new VSAM functions, such as data striping, host data compression for key-sequenced data sets, system-managed buffering, and extended addressability for data sets greater than 4 gigabytes in size.
See the IBM DFSMS documentation for information on defining these functions to SMS and for any restrictions for using these functions.
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Copyright © 2008 by SAS Institute Inc., Cary, NC, USA. All rights reserved.