IMS: Database Operation and Control Blocks




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DURATION: 3 days

FEE: $1,785


  • Programmer
  • System Analyst
  • System Designer
  • Database Administrator
  • System Programmer
  • IT Professional


  • IMS facilities and terminology
  • Program flow
  • Control blocks: DBD, PCB, PSB, and ACB
  • Database record structure
  • Access methods
  • Secondary indexes
  • Logical relationships
  • LE resources and IMS, AIB interface, and IMS exits
  • Control blocks used in a DL/1 call
  • Save areas and register usage
  • Control blocks: SCD, PST, PST prefix, PDIR, DDIR, DMB, and JCB
  • Level table and SDB
  • DSECTs
  • Locking
  • PI Lock Manager
  • Program isolation, locks, and latches
  • Multisystem locks
  • Events

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Effective February 27, 2012, the course dates listed on the SYS-ED schedules only will be available based upon approved and authorized user ID.

The course material and training aids utilized in SYS-ED courses are from multiple sources: courseware generated by staff members, licensed materials, public sources from the Internet, textbooks, and source vendor's documentation.

Not all courses are available for delivery in a distance-learning medium.
Copyright Acknowledgement: The software product(s) listed in this outline are owned and copyrighted by their respective companies. SYS-ED makes no representation regarding ownership in any of the software products that we train on.
SYS-ED courses are not intended for or open to the general public. They are intended for employees of Fortune 1000 companies, government municipalities, consulting companies, software companies, healthcare providers, and mid-sized businesses.

Individuals attending a SYS-ED course will be required to execute a statement that the employer has a licensed version of the software.