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  Question  Asked @ Answers Views     select
 
Difference between flat files and relational sources?  0  105
what are Lookup caches options? Including persistent caches.  0  34
Eliminating of duplicate records without using dynamic lookups IBM  3  322
Can u access a repository created in previous version of Informatica?  0  125
what happens if the info.server doesn't find the session parameter in the parameter file?  0  77
what is pmrep command?  0  80
what is dynamic insert?  0  46
what is a parameter when and where do u them when does the value will be created. Designing time, run time. If u don't create parameter what will happen?  1  87
how do use session mapping parameters ?(in which transformation)  0  36
what are the session parameters? How do u set them?  0  48
where is the cache (lookup, index) created and how can you see it.  0  33
where are the log files generally stored.Can you change the path of the file.what can the path be?  0  36
you have created a lookup transformation for a certain condition which if true returns multiple rows. when you go to the target and see only one row has come and not all. why is it so and how it can be corrected.  1  43
list and discuss two approaches for updation of target table in Informatica and how they are different.  0  35
how do u handle performance issues in Informatica . where can u monitor the performance ?  0  45
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Give a way in which u can implement a real time scenario where data in a table is changing and u need to look up data from it.How will u configure the look up transform for this purpose? 22  
what are business components in Informatica? 42  
how would u estimate the size of Aggregator transform data and index cache? 45  
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? 33  
what is session partitioning? 42  
A mapping contains source table S_Time(stat_year,end_year) target table TIM_DIM(date,day,month,year,quarter) stored procedure transformation: A procedure has two parameters I_end_year and output parameter as O_date ,day , month, year, quarter, If this session is running, how many rows will be available in the target and why? 38  
what is data modeling? 30  
what is the meant by Normalization and de-normalization? 36  
Can u access a repository created in previous version of Informatica? 125  
Assume u have a 24CPU machine with 24GB RAM, suggest how u would like to configure Informatica ,like number of concurrent sessions, RAM requirements etc,max partitions that u would permit per mapping. 29  
Identifying the bottlenecks in various components of Informatica and resolving them. 54  
how would u estimate the size of Aggregator transform data and index cache? 35  
A session S_MAP1 is in Repository A. while running the session error message has displayed `server hot-ws270 is connect to Repository B`.what does it mean? 52  
Dear All, Can anyone tell me that from where i can get Power Center 8.5 S/W for Linux and how can i install Power Center 8.5 or any 7.x series on Linux Platform. Thanks in advance 68  
what is the main role of FI on business 68  
how would u estimate the size of Lookup transform data and index cache? 44  
explain the methodology of Data Warehousing?(Polaries) 35  
how do u extract data from different data sources explain with an example? 53  
what is meant by drill through?(Mascot) 31  
what are the concerns of OLTP and DSS systems? 28  
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