IMS Interview Questions

1/03/2010 No Comment

IBM Mainframe IMS DB Interview Questions, Professionals are invited to share the answers.

  1. What do you mean by DBD in IMS DB?
  2. What is the difference between an online and batch program in IMS environment?
  3. What is the DL/I function used in CICS-IMS program?
  4. Define IMS and explain?
  5. Explain how does one reorg an HDAM IMS database when changing Root Anchor points?
  6. Explain in brief what do you know about DBDGEN? 
  7. What are common DLI functions? 
  8. What are common status codes that you come across in IMS? 
  9. Name some of the common codes and their importance? 
  10. Can you tell me what are the parameters used in CBLTDLI call? 
  11. What are qualified and unqualified SSA's in IMS? 
  12. Explain what do you mean by MFS? 
  13. Why is procopt used? Can you name some of them?
  14. What do you mean by multi positioning in IMS?
  15. Explain what is secondary indexing in IMS.
  16. Can you tell how many PCB's can be coded within a PSB 
  17. What is PSB, PCB and ACB in IMS. Explain.
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