z/OS Assembler Language - Data Management Topics

Mainframe Training Overview

This class is oriented to the advanced Assembler language programmer that includes updated information relating to features with HLASM and the requirements of processing different file types within programs. Specific topics will include dynamic allocation, data in virtual, and the data management macros for various files. In addition, the discussion will include topics that deal with sequential files, VSAM, linear data sets, PDSE, and VSAM data striping. This course is a workshop environment where classroom projects will involve writing programs to process records in the various file formats.

Mainframe Training Audience

This class is intended for experienced assembler language programmers that have a good understanding of basic z/OS architecture.

Mainframe Training Course duration

5 days

Mainframe Training Course outline

  • Overview of z/OS data management
  • Processing VSAM files
  • Using VSAM linear data sets
  • Data-in-virtual, Dataspaces, and Hiperspaces
  • Processing PDS and PDSE files
  • Using access methods with HFS files
  • VSAM Data striping
  • Dynamic allocation (SVC 99)
  • I/O error handling
Session Content

 
  1. Overview of z/OS file types and record processing options
  2. VSAM files types and processing
    • KDSD, ESDS, RRDS
    • Linear data sets
    • Data in virtual
  3. Partitioned data sets (PDS) and PDSE processing
  4. Using access methods to process HFS files
  5. Dynamically allocating data sets
  6. Virtual storage structures for data handling (Dataspaces, Hiperspaces)


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