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ETL Interview Questions
Questions Answers Views Company eMail

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

2482

what types of repositories we can create in informatica? in real time in which type of repository we will work on?

2 7983

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?

2716

we have 1 source table containing 100 records. now we have to transfer first set of 1-10 (i.e1-10) records to one target table and another set of 1-10(11-20) records to other target table and continue like that till 100th record

3 8900

CAN ANY ONE SEND ME THE CODE FOR THE BELOW 1).REMOVE '_' FROM TELE PHONE "323-237-2323" AND SHOULD DISPLAY OUT PUT AS "323237232" 2). NEED TO ONLY "COMPANY.COM" FROM EMAIL FILED "TEST@COMPANY.COM"

11 16971

How to know informatica conslole password??

2113

Can anyone please send me the latest informatica dumps (power center 8.1.1) for all the three exams? My mail id is yokilamai@gmail.com

1 4494

HI, Anybody is having informatica Dumps,if it there Can u send to my mail id :sathesh.cool@gmail.com

2041

1.Identify and discuss the problems which are occurred during data quality verification for the single-source and multi-source problems. 2.Testing has very important role in DWH. In ETL testing phase, how can we perform the integration testing and regression testing? 3.What are the perquisites of system testing and regression testing in ETL phase?

2241

what are the production issues in datastage?

10420

what are the cubes developed in a sap bw project and what is the requirement for developing it?

Maersk,

2077

what are the reports developed in sap bw project and what is the requirement for developing it?

Maersk,

2178

what are the reports created in mm and sd side using sap bw in a project? name some of them and explain the requirement?

Accenture,

2124

what are the data sources extracted from logistics cockpit in sap bw project and what is the requirement for it ?

Accenture,

2626

in sap bw project at what scenario generic extraction is used and why explain and also tell why you used calendar day option explain?

Accenture,

2 10878


Post New ETL Questions

Un-Answered Questions { ETL }

Suppose I am loaded with questions as I am an experienced etl coder, but not an analytical report builder. I am using analysis services to build a cube but am trying to choose the reporting architecture. Can someone please confirm whether or not reporting services (using the business intelligence report) will allow for slicing and dicing, or is it only a static report builder. Also, if I am using the cube browser in analysis services, where can I put the option of non empty so that I dont see records that are blank.?

949


how do u set partition points in the mapping?

2239


Explain do we need an etl tool?

1016


Explain different types of partitioning?

1041


What is full load & incremental or refresh load?

1203


Explain about power designer data modeling software?

849


what is the difference steps for data modeling?

2596


Do we need an ETL tool? When do we go for the tools in the market?

957


Is apache nifi an etl tool?

962


Explain about enterprise scalability and roi of data integration suite?

877


how do u handle performance issues in Informatica . where can u monitor the performance ?

4736


What is meant by incremental load?

1094


What are three tier systems in etl?

1065


What is partitioning? Explain different types of partitioning?

1240


what is session partitioning?

2127