What is Relational Integrity?

1 Answers  

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how do u decide whether u need to do aggregations at database level or at Informatica level?

1 Answers  

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What is full load & incremental or refresh load?

0 Answers  

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how to do aggregation (year wise quantity ) using only source qualifier, the source is sql server date as datetime data type and target as flat file with year (string datatype)

0 Answers   Thomson,

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How to Check the source record count from traget table.

5 Answers   IBM,

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how many maximum session supports to multiload in teradata ??

0 Answers   IBM,

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Is there any body who works on Pervasive Data Integrator (previously Data Junction)? Is there any scope also?

2 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?

0 Answers  

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Compare etl & elt?

0 Answers  

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what are the parts of Informatica server ?

1 Answers   GE,

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Explain me ETL project architecture in Detail?

0 Answers   Infosys,

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list and discuss two approaches for updation of target table in Informatica and how they are different.

0 Answers  

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