Please Help Members By Posting Answers For Below Questions
Informatica server and client are in different machines. You
run the session from the server manager by specifying the
source and target databases. It displays error . You are
confident that everything is correct. Then why it is
displaying the error?
what is pmrep command?
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?
how do u really know that paging to disk is happening while
u are using a lookup transform?
what are the concerns of OLTP and DSS systems?
how do u extract data from different data sources explain
with an example?
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Identifying the bottlenecks in various components of
Informatica and resolving them.
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 ?
Difference between flat files and relational sources?
how do u set partition points in the mapping?
how do use session mapping parameters ?(in which transformation)
what are the production issues in datastage?
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