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Categories  >>  Software  >>  Data Warehouse  >>  ETL
 
 


 

 
 Teradata interview questions  Teradata Interview Questions
 Business Objects interview questions  Business Objects Interview Questions
 Cognos interview questions  Cognos Interview Questions
 Informatica interview questions  Informatica Interview Questions
 Crystal Enterprise Suite interview questions  Crystal Enterprise Suite Interview Questions
 Actuate interview questions  Actuate Interview Questions
 Ab Initio interview questions  Ab Initio Interview Questions
 Data Stage interview questions  Data Stage Interview Questions
 SAS interview questions  SAS Interview Questions
 Micro Strategy interview questions  Micro Strategy Interview Questions
 ETL interview questions  ETL Interview Questions
 Data Warehouse General interview questions  Data Warehouse General Interview Questions
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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CAN ANY ONE SEND ME THE CODE FOR THE BELOW 1).REMOVE '_' FROM TELE PHONE "323-237-2323" AND SHOULD DISPLAY OUT PUT AS "323237232" 2). NEED TO ONLY "COMPANY.COM" FROM EMAIL FILED "TEST@COMPANY.COM"  8
 
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