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BMC

BMC Mainframe: IMS Essentials

The course is developed and delivered by © RSM Technology.

This course offers a comprehensive introduction to IMS for all those new to the IMS environment. It provides ideal cross-training for application support specialists from disciplines such as CICS, COBOL, JAVA, or Db2.

The course introduces and explains all areas of IMS databases in both the Batch and Online environments, including data access using the DL/I Language Interface and the maintenance of data integrity using the DBRC feature.

Written exercises reinforce the formal theory sessions. These include the analysis of sample applications and use of the procedures and utilities required to recover from various application and system failures.

Major release:

BMC Mainframe Infrastructure Platform Training

Good for:

Developers

Course Delivery:

Instructor Led | 32 時間

Course Modules

  • Introduction to IMS
    • Why Use a Database?
    • Database types
    • Hierarchical terminology
    • Processing path
    • Accessing data
    • Database implementation
    • IMS online environment
    • Message Format Services (MFS)
    • Utilities
    • Logging
    • Operational responsibilities
  • Binder Database Environment
    • Program Specification Block (PSB)
    • PSB statements
    • PCB
    • PROCOPTs
    • PSB generation
    • ACB generation
    • PSB/program relationships
    • Batch JCL
    • Workshop
  • Database Implementation - 2
    • Secondary indexing
    • Secondary data structure
    • Stand-Alone processing
    • Things to consider
    • Logical relationships Database Implementation - 3
    • An introduction to HALDB features and processing options
  • IMS/TM Concepts & Facilities
    • IMS/DC configuration
    • Control (CTL) region
    • DL/I Separate Address Space (DLISAS)
    • Database Recovery Control (DBRC)
    • Message Processing Region (MPR)
    • Batch Message Processing (BMP) region
    • Message scheduling
    • Logging.
  • IMS Online Programming – 1
    • Message Processing Program (MPP)
    • Transaction codes & flow
    • Input message segment
    • Output message segment
    • IMS message calls
    • IO PCB mask
    • Common status codes
    • Workshop
  • Fast Path
    • General characteristics
    • Fast Path EMH
    • Data Entry Database (DEDB)
    • Main Storage Database
  • Sharing Data and Data Sharing
    • Sharing access - the problem
    • Sharing access - solutions
    • Control region / DLISAS
    • Program isolation
    • Locking
    • Deadlock resolution
    • Data sharing
    • Database-Level Sharing
    • Block-level sharing
    • DBCTL
  • IMS Operations
    • Operational considerations
    • Operations planning
    • Starting IMS
    • Stopping IMS
    • Online change facility
    • Controlling IMS