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IMS Fast Path Application Programming


Duration: 3 days

Method: Instructor led, Hands-on workshops

Price: $1625.00

Course Code: IM2050


Experienced IMS applications staff who have responsibility to write programs using Fast Path databases and transactions.


This course is designed for experienced IMS programmers who need to learn the concepts and practical application of Fast Path databases. Fast Path databases and their processing requirements are covered in detail.


Upon successful completion of this course, the student will be able to:

  • Describe the processing available for IMS Fast Path databases
  • Code application programs accessing Fast Path databases
  • Code applications using Fast Path transactions


Experience designing, using or supporting IMS full function databases.


  1. Introduction to IMS Fast Path
  2. Main Storage Database Characteristics, Use, Processing, and DBDs
  3. Use of the FLD Call
  4. DEDB Characteristics and Processing
  5. Fast Path Status Codes
  6. Subset Pointers
  7. Use of POS Call
  8. Sequential Dependent and Direct Dependent Segments
  9. Unit of Work, Dependent and Independent Overflow
  10. Database and PSB Definition
  11. Fast Path Utilities
  12. . Coding Considerations: MSDBs, DEDBs, Fast Path Buffers, Status Codes
  13. Checkpoint Considerations
  14. MSDB and DEDB Utility Overview
  15. Expedited Messages