11/18/13 Data Warehousing: Informatica real time Interview Quiestions

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SATURDAY, 11 AUGUST 2012

Posted by Kareem M at Saturday, August 11, 2012

Informatica real time Interview Quiestions

Hi readers. These are the questions which normally i would expect by

interviewee to know when i sit in panel. So what i would request my reader’s to

start posting your answers to this questions in the discussion forum under

informatica technical interview guidance tag and i’ll review them and only valid

answers will be kept and rest will be deleted.

1. Explain your Project?

2. What are your Daily routines?

3. How many mapping have you created all together in your project?

4. In which account does your Project Fall?

5. What is your Reporting Hierarchy?

6. How many Complex Mapping’s have you created? Could you please me

the situation for which you have developed that Complex mapping?

7. What is your Involvement in Performance tuning of your Project?

8. What is the Schema of your Project? And why did you opt for that

particular schema?

9. What are your Roles in this project?

10. Can I have one situation which you have adopted by which performance

has improved dramatically?

11. Where you Involved in more than two projects simultaneously?

12. Do you have any experience in the Production support?

13. What kinds of Testing have you done on your Project (Unit or Integration

or System or UAT)? And Enhancement’s were done after testing?

14. How many Dimension Table are there in your Project and how are they

linked to the fact table?

15. How do we do the Fact Load?

16. How did you implement CDC in your project?

17. How does your Mapping in File to Load look like?

18. How does your Mapping in Load to Stage look like?

19. How does your Mapping in Stage to ODS look like?

20. What is the size of your Data warehouse?

21. What is your Daily feed size and weekly feed size?

22. Which Approach (Top down or Bottom Up) was used in building your

project?

23. How do you access your source’s (are they Flat files or Relational)?

24. Have you developed any Stored Procedure or triggers in this project? How

did you use them and in which situation?

25. Did your Project go live? What are the issues that you have faced while

moving your project from the Test Environment to the Production

Environment?

26. What is the biggest Challenge that you encountered in this project?

27. What is the scheduler tool you have used in this project? How did you

schedule jobs using it?

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