Informatica Experienced Interview Questions – part 1

1. Difference between Informatica 7x and 8x?
2. Difference between connected and unconnected lookup transformation in Informatica?
3. Difference between stop and abort in Informatica?
4. Difference between Static and Dynamic caches?
5. What is Persistent Lookup cache? What is its significance?
6. Difference between and reusable transformation and mapplet?
7. How the Informatica server sorts the string values in Rank transformation?
8. Is sorter an active or passive transformation? When do we consider it to be active and passive?
9. Explain about Informatica server Architecture?
10. In update strategy Relational table or flat file which gives us more performance? Why?
11. What are the out put files that the Informatica server creates during running a session?
12. Can you explain what are error tables in Informatica are and how we do error handling in Informatica?
13. Difference between constraint base loading and target load plan?
14. Difference between IIF and DECODE function?
15. How to import oracle sequence into Informatica?
16. What is parameter file?
17. Difference between Normal load and Bulk load?
18. How u will create header and footer in target using Informatica?
19. What are the session parameters?
20. Where does Informatica store rejected data? How do we view them?
21. What is difference between partitioning of relational target and file targets?
22. What are mapping parameters and variables in which situation we can use them?
23. What do you mean by direct loading and Indirect loading in session properties?
24. How do we implement recovery strategy while running concurrent batches?
25. Explain the versioning concept in Informatica?