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when u connect the repository for the first time it asks you for user name & password of repository and database both.But subsequent times it asks only repository password. 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?
what is the meaning of upgradation of Repository?
What do you understand by active and passive transformations?
what are the facilities provided by data warehouse to analytical users?
Do we need an ETL tool? When do we go for the tools in the market?
what are the production issues in datastage?
Explain etl?
Which transformation we use to convert 'NA' to 'Not Available'
what are the reports developed in sap bw project and what is the requirement for developing it?
how many maximum session supports to multiload in teradata ??
In Which Transformation We Can Use Having Clause In Informatica?
what is granularity in Data ware House?
What is the difference between Data Warehousing and Data Mining?
Hi, I completed MCA in 2006.After studied Informatica,SQL server and basics of reporting tool in one of the training center in chennai.I got subject knowledge only.But I didn't go any job because I scared to face real time.Anyone please advice how can I enter again into this and anyone provide real time exposure with project.
