Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / ashish
Lookup by default perform normal join but if you want to achieve left outer ,right outer , full outer join . you can do so by SQL override in lookup
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Explain different types of partitioning?
what are the concerns of OLTP and DSS systems?
What is etl process?
Do we need an etl tool?
what are the facilities provided by data warehouse to analytical users?
Hi, can anyone plz share the project architecture for etl testing(banking domain) plz explain the architecture .
When do we use dynamic cache and static cache in connected and unconnected lookup transformations? Difference between stop and abort
what is granularity in Data ware House?
How to delete data which is not in source table?
how do u estimate the depth of the session scheduling queue? Where do u set the number of maximum concurrent sessions that Informatica can run at a given time?
Explain the difference between etl tool and olap tools?
what are the session parameters? How do u set them?
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?
what is the main role of FI on business
Compare ETL & Manual development?
