can Informatica be used as a cleansing tool? If yes, give
examples of transformations that can implement a data
cleansing routine.
Answers were Sorted based on User's Feedback
Answer / maruthi
ys we can clean data by using informatica upto a extent,by
using expression transformation by using below varaibles
1.)ltrim,rtrim,ifnull,isnull,such so many fn u can get in
transformation
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / birendra
Yes we can clean data by using informatica through
expression transformation
| Is This Answer Correct ? | 0 Yes | 0 No |
how to load the data to fact table?
1. if lookup tr is giving poor performamence. what u do. 2. i have emp,dept table. i want output ename,empno,dname,max(sal). 3. can any one tell me project flow in real time scenario. please send me mail any queries and answers my mail id is yaparala@gmail.com
what is the difference steps for data modeling?
what are the data modeling tools you have used?(polaris)
what is HISTOGRAM? how to generate statistics?
we hava more than 1000 records. i have to select first 5 record, last 5 record and 5 records from middle of the source. how can i do in oracle as well as in informetica??
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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What is the difference between round-robin partitioning and hash partitioning?
Do we need an etl tool?
Explain me ETL project architecture in Detail?
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