Data Warehouse Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Teradata (490)
Business Objects (875)
Cognos (1143)
Informatica (2428)

SAS (1049)
Micro Strategy (282)
ETL (315)
OBIEE (92)

Data Warehouse Interview Questions

Questions Answers Views Company eMail

My report output is showing data as 1 11 111 2 22 222 3 33 333 How can I sort this to 1 2 3 11 22 33 111 222 333

1 4202

I have a SCD Type 2 Dimention for Location In which A Sales Office in Having two Surrogate Keys just because of the change in it's Sales Group. SKey SalesGroup Sales Office BeginDate EndDate 280 SG1 SO1 01APR2000 01APR2010 281 SG2 SO1 02APR2010 31MAR2999 Now while loading the Fact, the Lookup ir returning SKey 280 for records before and after 01APR2010. I am not able to give WHERE condition in the Lookup Properties (TranDate between BeginDate and EndDate). Please help.

2164

what are types of dimentions?

3 6016

is it reqire primary key and foreign key relation ship to join relational databases?if yes? explain?

IBM,

3 8683

disign the complex job in u r project?(they are aksing only complex job design and then data flow...)

2476

col1 123 abc 234 def jkl 768 opq 567 789 but i want two targetss target1 contains only numeric values and target2 contains only alphabet values like trg1 123 234 768 567 789 trg2 abc def jkl opq

Patni,

9 16289

Normalizer transformation is not involved in Mapplet.. why???

Wipro,

1 8601

how do i get last 10obs from a dataset when we don't know about the number of obsevations in that dataset?

TCS,

7 13836

How does PBK and Sort component and Join(in memory sort) work?I mean in the join component i have used In Memory Sort,so how will it work in terms of performence as compared with PBKand Sort Component?

1 5142

HI, Can any body explain me ? If we careate objects using derived tables it will decreasess the performence? If we are not creating the objects using the derived tables then what is the use of having the derived tables?

3 4906

how to get the data from the client machine and how to get server location data to client loction can any body explain to me

TCS,

1 5014

following table source name gender a1 male a2 female how to change 'male' to 'female' and 'female' to 'male'

2 5769

i have a data in my source as a flat files what test i have to perform the next step can any body help to me

SeeInfoBiz, TCS,

2135

can explain wt is the pool for file.

CTS,

1 6979

1)diff between shortcut-key and alias table? 2)what is unit testing? 3)what is scorecard?

Mphasis, TCS,

3580

Un-Answered Questions { Data Warehouse }

How to increase performance without changing anything in mapping.( In prod)

1272

How can I run the 2 gui merge files?

1199

What is the fact table?

1082

what are the scrubbing procedures in sas? : Sas programming

1295

Name some categories in sas 9? : sas-grid-administration

989

Differentiate between data file and descriptor file?

1070

Explain scan md?

1089

how do the in= variables improve the capability of a merge? : Sas programming

1448

What is a implicit attribute in microstrategy?

1671

can some body explain how migrate the BoXI r2 to BO 3.x and crystal reports XI r1 to Crystal report 2008 ?

1391

What do you understand by the term 'model durability'?

1030

How does SAS handle missing values in: assignment statements, functions, a merge, an update, sort order, formats, PROCs?

1546

How can we check the version of Teradata that we are using currently?

1078

What are the modules in Power Center

1694

what has been your most common programming mistake? : Sas programming

1124

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