what happens if the info.server doesn't find the session
parameter in the parameter file?
Answers were Sorted based on User's Feedback
Answer / sonia
I think the session will use the default value and if the
default value is valid the session would run.
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can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
What is factless fact schema?
Can anyone please send me the latest informatica dumps (power center 8.1.1) for all the three exams? My mail id is yokilamai@gmail.com
what is different between sequential batch and concurrent batch and which is recommended and why?
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?
Can we create Hierarchies in generic datasources?
How we can see table structure?
what is session partitioning?
Identifying the bottlenecks in various components of Informatica and resolving them.
How many steps etl contains?
what are the facilities provided by data warehouse to analytical users?
Explain the key challenges that you face while performing etl testing.