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

2042

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

2 6785

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?

2331

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 7597

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 13706

How to know informatica conslole password??

1687

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 3770

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

1661

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?

1856

what are the production issues in datastage?

9748

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

Maersk,

1725

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

Maersk,

1781

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,

1702

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

Accenture,

2172

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 9793


Post New ETL Questions

Un-Answered Questions { ETL }

Difference between flat files and relational sources?

1739


Explain the difference between etl tool and olap tools?

545


What are the differences between sql override and update override?

587


what are Lookup caches options? Including persistent caches.

1452


what is a worklet?

554






What are the modules in Power Mart?

541


What is a lookup table in etl?

604


What is lookup table in etl testing?

743


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

1814


When do we analyze the tables? How do we do it?

535


dimension object created in oracle can be imported in designer?how?

2464


What is etl tool in hadoop?

507


if i have a query as flat file how can we load data to target table

985


What is fact? What are the types of facts?

542


how do u extract data from different data sources explain with an example?

1783