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Data Warehouse Interview Questions
Questions Answers Views Company eMail

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

IBM,

4727

in source one table is there. id value --- ------ 1 a 2 b 3 c 1 d 2 e 1 f in target i want id value ---- ------ 1 a,d,f 2 b,e 3 f How to implement it in informatica without using normalizer transformation?

IBM,

2 7199

what is difference between Independent Data Mart Dependent Data Mart 1- 1- 2- 2- 3- 3- 4- 4-

4 23320

what is the best stage in datastage parller jobs to use full out join and why

Virtusa,

5 15926

I have oracle enterpaise stage, oracle bulkloader stage, ODBC stage and I want to load data in to target, which of the above stages do I need to use and why?

Virtusa,

3 12955

Explaine the implimentation of scd's in ds indetail, please send me step by step procedure to perform scd's 1,2,3. Please replay for this, Thanks in advance

2224

How can we load single row of data into teradata database. please give me the process.

3 10018

without dynamic lookup transformation how to insert new rows and update existing rows?

Cap Gemini,

7 16630

one source to target loading insert new rows and update existing rows?

Polaris,

3 7375

i have one source 52 million records i want target only 7 records ?how wil you do what logic to implement?

L&T,

7 13842

Which is the best place to learn SAS clinicals and Oracle clinical in hyderabad?

2 5372

Please some body send me Ab Initio material in my mail ... sitakanta2009@gmail.com Thanks in Advance!!!

1 5281

What is the language used in Ab Initio ?

4 15659

i have ten flat files with same structure,if i want to load it to single target,and mapping needs to should show only one source.what will be the steps to taken to achieve it?/

L&T,

5 12375

if i have a file having record sal=10000,and when use router with two groups having condition sal>5000 in one group,sal>7000 in other group.and if two groups connected to two targets.in which target sal=10000 will go?

BirlaSoft, Genpact, L&T, Syntel,

9 17052


Un-Answered Questions { Data Warehouse }

can any one give some examples for pre sql and post sql(Except dropping and creating index).

4109


HAI FRIENDS THIS KISHORE FROM KUMBAKONAM. I HAVE COMPLETED MY MCA IN SASTRA UNIVERSITY WAITING FOR MY 6 TH SEM RESULT.DURING MY PROJECT I HAVE DONE INFORMATICA COURSE AS MY AREA INTEREST COURSE IN CORE MIND TECHNOLOGIES CHENNAI.I HAVE ENQUIRY ABT ALL IT PEOPLE FOR DATAWAREHOUSING THERE IS NO OPENING FOR FRESHERS. WITH SOME EXPERIENCE ANY OTHER DOMAIN TNEN ONLY U CAN GET THAT DOMAIN(DATAWAREHOUSING) JOB.BUT I AM MORE INTEREST ON THAT TO WORK ON THAT DOMAIN(INFORMATICA).WHAT TO I DO. I AM IN HELPLESS FRIENDS/EXPORTS.WAITING FOR REPLY

2110


Do we need an etl tool?

1009


What does command task mean?

1149


Name and describe few sas character functions that are used for data cleaning in brief.

1122


What tools would you use for that?

1109


What are Dimensional table?

1055


Write the program through which the records can be updated?

1005


Explain is it the job of a business analyst or systems analyst to draw the class diagram?

1037


How do you set a varible in incremental aggregation

1891


What project,model,parameter maps,namespace and database definitions....... what these are all contains? what are differences b/w them?

2147


What do you mean by mstr? What are the different types of mstr objects?

1017


How is union transformation utilized?

1009


What is the difference between ‘macro’ and ‘prompt?

1086


Will it bother you if the guy at the next desk times the frequency and duration of your bathroom or coffee breaks on the grounds that ?you are getting paid twice as much as he is??

2615