Please Help Members By Posting Answers For Below Questions
what are the production issues in datastage?
1)Power center server and client on the same machine
2)power center server and client on the different machines
What is the basic difference in these two setups and
which is recommended ?
Identifying the bottlenecks in various components of
Informatica and resolving them.
explain the methodology of Data Warehousing?(Polaries)
Knowledge on what are the improtant characteristice that we
need ot consider while developing an ETL Code
can Informatica be used as a cleansing tool? If yes, give
examples of transformations that can implement a data
what is Forward,Reverse and Re_engineering?
how do u set partition points in the mapping?
Two default user groups created in the repository
how do use session mapping parameters ?(in which transformation)
what is pmrep command?
what is the meaning of upgradation of Repository?
how many maximum session supports to multiload in teradata ??
Can u access a repository created in previous version of
5. How many repositories can we create in Informatica?
6. What is surrogate key?
7. What is difference between Mapplet and reusable
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
20. What is IQD file?
21. What is Cognos
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
35. OLAP architecture?
36. What is subject area?
37. Why do we use DSS database for OLAP tools?