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Where can i get informatica certification Exam dumps and
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Answer Posted / sushanth1234
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Explain and compare etl & manual development?
Is hadoop a etl tool?
what are the session parameters? How do u set them?
When do we analyze the tables? How do we do it?
When do we analyze the tables?
What is meant by incremental load?
what is the difference between cubes and package in cognos
What is partitioning? Explain about round-robin, hash partitioning.
Do we need an ETL tool? When do we go for the tools in the market?
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?
Explain about hash partitioning?
When do we use dynamic cache and static cache in connected and unconnected lookup transformations? Difference between stop and abort
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?
please tell me any easy ways of testing the Data warehouse project. In my project we are not using any tools for ETL. we are writing scripts in SCRIPTELLA. And we using Pentaho tool for Reporting How can i test all these. please tell me ASAP. thanks in adavance
what is granularity in Data ware House?
