Which type or t/s is used to convert rows into column &
column into rows
- 9 Answers
- 26965 Views
- Infosys, I also Faced
- E-Mail Answers
Answer Posted / vijay
by using normaliser ransformation only you can convert the
rows to columns and vice versa
| Is This Answer Correct ? | 15 Yes | 12 No |
Post New Answer View All Answers
how do u extract data from different data sources explain with an example?
if i have a query as flat file how can we load data to target table
please tell me any easy ways of testing the Data warehouse project. In my project we are not using any tools for ETL. we are writing scripts in SCRIPTELLA. And we using Pentaho tool for Reporting How can i test all these. please tell me ASAP. thanks in adavance
what is different between sequential batch and concurrent batch and which is recommended and why?
What is fact? What are the types of facts?
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 an ETL or ETT? And what are the different types?
What is full load & incremental or refresh load?
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?
can be used COM component in Informatica ?
What is lookup table in etl testing?
What are snapshots?
how does the server recongnise the source and target databases.Elaborate on this
what are Lookup caches options? Including persistent caches.
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?
