VSAM file access

VSAM (Virtual Storage Access Method) is a specialized form of disk file storage on IBM® mainframes that run z/OS® and VSE. Users can create and manage their own files through this access method; many existing applications that predate modern database management systems use VSAM to store data.
EGL does not provide a dedicated record stereotype for working with VSAM files; there is no VSAM equivalent to the SQLRecord stereotype. Instead, use the same three stereotypes for VSAM access that you use for other file I/O. Those stereotypes relate to VSAM file types in the following way:
IndexedRecord
Accesses a VSAM Key Sequenced Data Set (KSDS).
RelativeRecord
Accesses a VSAM Relative Record Data Set (RRDS).
SerialRecord
Accesses a VSAM Entry Sequence Data Set (ESDS).

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