Mainframe IDMS Interview Questions

12/03/2009 No Comment

Mainframe IDMS Interview Questions.

Please use the comment section to answer.

  1. What do you mean by storage attributes of records? 
  2. What is the difference between Fixed length and Variable length records?
  3. What do you mean by DBKEY? Explain with examples.
  4. What are the types of record locks? How to set them in IDMS?
  5. What are the different uses of DBKey in IDMS
  6. Can you describe about COMMIT command in detail in IDMS
  7. What is the significance of DATABASE SWEEPS?
  8. Explain in brief about FIND and OBTAIN commands.
  9. What is the significance of Scratch Records in IDMS?
  10. Explain about Keep Long term in IDMS.
  11. Explain what is the difference between local and central version operating modes?
  12. How does IDMS help ensure data integrity?
  13. Explain the differences between local and central version operating modes in IDMS
  14. What is Change Control ID in IDMS?
  15. Can you differentiate between Query Management Facility (QMF) and SQL Processing Using File Input.
  16. Explain  in brief about Integrated Data Dictionary in IDMS
  17. What do you mean by IDMS re-start. Explain?
  18. What sets will the stored record connect to?
  19. Explain how does IDMS insure data integrity?
  20. What do you mean by a Set? What are the pointers that are possible to arrange the sets?
  21. What are the uses of COMMIT and FINISH in IDMS?
  22. What is the main significance of Scratch Records in IDMS?
  23. Explain in detail about DEADLOCK in IDMS?
  24. Can you describe about Erase, Erase Selective and Erase All in IDMS
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