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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Explain what is ods (operation data source)?

1 1050

Explain difference between data ware house & data mart?

1 1047

Explain what is the difference between view filter and report filter?

1 1045

What is data type of the surrogate key?

1 1070

Where the applications and where ware house management system is used?

1 1070

Suppose we have some 10,000 odd records in source system and when load them into target.how do we ensure that all 10,000 records that are loaded to target doesnt contain any garbage values?

1 1001

What is the difference between power center & power mart?

1 1049

Explain what are conformed dimensions?

1 1158

Explain what is a staging area? Do we need it? What is the purpose of a staging area?

1 1014

How to calculate fact table granularity?

1 1096

How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id 347 what is hybrid slowly changing dimension?

1 1152

what type of raid setup would you put your tx logs?

1 1015

What is a general purpose scheduling tool?

1 1208

What is the metadata extension?

1 1085

What a static and local variable?

1 1162


Un-Answered Questions { Data Warehouse }

i want my connection to be dynamic. How can I make it. I mean the username and password should be dynamic. How?

2167


I have 2 doubts regarding the "Input Control" functionality in BI4: 1) Can the Input Controls in BI4 be manipulated? I mean, can we change the IC display as BOLD or change the values from Italics to regular? Or change the colors? 2) How to get hierarchy type control in IC? Let's say my first IC is for Country and second is for State. If I select a particulat country from Ist IC,second one should show me states belonging to selected country. Is that possible? Thanks in advance!!!

2260


what is document design in boxi,have u participate in that

2306


how to generate the test data in sas without input data? : Sas-administrator

1202


Explain what is aggregate table and aggregate fact table ... Any examples of both?

1176


Hi, Does anybody has lastest SAS certification(base, adv., clinical)dumps,if anybody has please email me at mailtorajani76@gmail.com. Thanks

2313


can any one help me now i am learning AB Inito but i don't have material and pdf's can any one provide pdf's to this mail id mohanraju0113@gmail.com thanks in advance...................................

2334


Tell me about your experience in informatica? what is best mark you can give yourself? How to answer this question?

8286


Hi I need real time senarios and how to explain project in the interview pls let me know my email id m.n.prathyusha@gmail.com.Please help me out with this pls pls pls muthireddi@gmail.com

2209


Hi, If any hav Informatica n DWH FAQ's,Plz do fwd to s.rajanikanth1980@gmail.com Thnx Vani

2342


Are you involved in writing the inferential analysis plan? Tables specifications?

4019


1)s.key generate 1 to 700 records today. tomorrow another 400 will updated how to update the records using s.key generator? 2)source is like :-- DB --> T/F stage1 --> seq1file T/f 1 is linking with T/F2 ---> seq 2 how to load the data? in source i given some conditions those r going in seq1. The another data will going to seq2 how to do this ?

2084


What is aggregate table and aggregate fact table ... Any examples of both?

1118


can anybody send me some real time screenshots of mapping in informatica powercenter. i will be vary thankful to him. my e-mail id :- prakashkumar.kumhar@gmail.com

4796


hi i want to learn microstratogy please anyone help to me which institute is best in bangalore any one having related documents ,and video link please mail to this id avanthireddykv@gmail.com

2299