5. How many repositories can we create in Informatica?
6. What is surrogate key?
7. What is difference between Mapplet and reusable
transformation?
8. What is aggregate awareness?
9. Explain reference cursor?
10. What are parallel querys and query hints?
11. DWH architecture?
12. What are cursors?
13. Advantages of de normalized data?
14. What is operational data source (ODS)?
15. What is meta data and system catalog?
16. What is factless fact schema?
17. What is confirmed dimension?
18. What is the capacity of power cube?
19. Difference between PowerPlay transformer and power play
reports?
20. What is IQD file?
21. What is Cognos
script editor?
22. What is difference macros and prompts?
23. What is power play plug in?
24. Which kind of index is preferred in DWH?
25. What is hash partition?
26. What is DTM session?
27. How can you define a transformation? What are different
types of transformations in Informatica?
28. What is mapplet?
29. What is query panel?
30. What is a look up function? What is default
transformation for the look up function?
31. What is difference between a connected look up and
unconnected look up?
32. What is staging area?
33. What is data merging, data cleansing and sampling?
34. What is up date strategy and what are th options for
update strategy?
35. OLAP architecture?
36. What is subject area?
37. Why do we use DSS database for OLAP tools?


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More ETL Interview Questions

What is the main difference between peek stage and copy stage

2 Answers  


indatastage 8.1 surrgoate key generates seqences numbers write but there is limite value i want to reset the seqence after gettting some highest value like i want o/p like this 1 2 3 4 5 .............10000 1 2 3.........10000

1 Answers   TCS,


What are the differences between sql override and update override?

0 Answers  


Explain the difference between etl tool and olap tools?

0 Answers  


What are the three tiers in etl?

0 Answers  






What is partitioning? Explain about round-robin, hash partitioning.

0 Answers  


What is etl process?

0 Answers  


What do you understand by the term ‘transformation’?

0 Answers  


Can anyone tell me what are the roles and responsibilities of informatica support ( L1, L2, & L3 ) Team?

1 Answers   IBM, Saama Tech, Wipro,


How to recover a workflow? What are the different approaches?( In prod i.e no access to modify)

0 Answers   IBM, Saama Tech, Wipro,


explain about your project architecture in ssis..could u please send to my mail..vinod.kjvk@gmail.com

0 Answers   Tech Mahindra,


what do u do when DB time takes more?in sap bi

0 Answers  


Categories