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 4194

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.

2154

what are types of dimentions?

3 5999

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

IBM,

3 8663

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

2465

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 16270

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

Wipro,

1 8585

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

TCS,

7 13798

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 5132

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 4883

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 5004

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

2 5758

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,

2129

can explain wt is the pool for file.

CTS,

1 6970

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

Mphasis, TCS,

3573

Un-Answered Questions { Data Warehouse }

WHAT ARE THE META DATA TYPES?WHICH META USING IN BO'S

2268

how to construct simple biogas digerter? please show me detail drawing and specification of simple biogas construction?

2461

tell me about your project functionality

2348

tell me few points when u become TL

2562

What are the steps to import the two data sources in framework manager?

1048

Which are the different editions of informatica powercenter that are available?

1034

how does sas handle missing values in formats? : Sas programming

1148

Why redshift Distribution key is used?

What do the put and input function do?

1068

Tell me about Dnamic and Static Dashboards?

2347

Explain the difference between native sql and cognos sql?

1026

What do you mean by drill across?

1150

what is sysdba and sysdbc ? which has high priority ?

3834

Hi everyone,I have kept a project Sales And Distribution for a pharmaceutical company.can anybody explain one complex business rule that we had in our project and how did you accomplish it using DS?

2237

what is granularity,what type of granularity we will take in fact tables either lowlevel or highlevel,if two tables having same granularity that is posiable or not

2346

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