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Answer Posted / yash
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Two default user groups created in the repository are____and_____.
Explain what are the various etl 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?
where is the cache (lookup, index) created and how can you see it.
What is the difference between Data Warehousing and Data Mining?
what is pmrep command?
State the differences between shortcut and reusable transformation
What is partitioning? Explain about round-robin, hash partitioning.
Can u access a repository created in previous version of Informatica?
how do u handle performance issues in Informatica . where can u monitor the performance ?
What is cube grouping?
what is the main role of FI on business
can be used COM component in Informatica ?
what is a worklet?
how to load the data to fact table?
