List few etl bugs?

0 Answers  

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Assume u have a 24CPU machine with 24GB RAM, suggest how u would like to configure Informatica ,like number of concurrent sessions, RAM requirements etc,max partitions that u would permit per mapping.

0 Answers  

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How to Check the source record count from traget table.

5 Answers   IBM,

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if i have a query as flat file how can we load data to target table

0 Answers   Tech Mahindra,

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what is the difference between OLTP database and data warehousing database?

4 Answers  

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If you concatenate data from a normalizer transformation,the ports you concatenate cannot include OCCURS(T/F).

1 Answers  

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what do u do when DB time takes more?in sap bi

0 Answers  

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Where can i get informatica certification Exam dumps and details? please forward it to emailid: krisboppana@yahoo.com

320 Answers   Accenture, College School Exams Tests, CTS, Flextronics, HCL, Infosys, NexGen, Patni, SO, Wipro,

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What are cubes and olap cubes?

0 Answers  

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working of line item dimension......pls,tell overall flow

1 Answers  

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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?

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how do u extract data from different data sources explain with an example?

0 Answers  

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