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Where can i get informatica certification Exam dumps and
details? please forward it to emailid: krisboppana@yahoo.com
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Answer Posted / snehal
Please send the Informatica 8 dumps (Exam U - advanced
mapping design) to the email
snehal.m.85@gmail.com
Thanks!!
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two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.
What are the names of the layers in etl?
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?
Difference between flat files and relational sources?
where is the cache (lookup, index) created and how can you see it.
Give a way in which u can implement a real time scenario where data in a table is changing and u need to look up data from it.How will u configure the look up transform for this purpose?
How many steps etl contains explain with example?
what is the use of server manager?
what is the difference between cubes and package in cognos
What is lookup table in etl testing?
Define slowly changing dimensions (SCD)?
What are snapshots?
how many steps are there in etl process?
Difference between flat files and relational sources?
Explain and compare etl & manual development?
