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Data Warehouse Interview Questions
Questions Answers Views Company eMail

I want my deployment group to refer an external configuration file, while i deploy in the production environment. How can i achieve it.

2081

what is target load plan

Cap Gemini,

2 6568

what is constraint based load order

Cap Gemini,

2 7613

what is fact and what types of fact tables is there

Cap Gemini,

4 11238

what is the main advantage of unconnected lookup

Cap Gemini,

2 14484

what is junk dimension

Cap Gemini,

4 7276

what is degenerated dimension

Cap Gemini,

6 9899

what is the purpose of surrogate key and diff between primary key&surrogate key

Cap Gemini,

1 6583

i having source, router transformation, two targets in my mapping... i given two conditions in router 1)sal >500 2)sal < 5000 --------------- my source is havig two sal records (1)1000 (2)2000 then which target will load first? will both targets are get load or single target only get load...... why?

Cap Gemini,

9 21481

i having mapping emp---> sq_emp--->target using this mapping i have to load dept table values into target... (condition assume there is no primary and foreign key relation between emp(table x) and dept (table Y))

Cap Gemini,

5 9928

how to get the data from the client machine and how to get server location data to client loction can any one explain bit deep please..!

TCS,

3 7631

How to Convert a string function to date function by using only sequential file stage with out using other stages ?

TCS,

5 22715

when we create source as oracle and target as flat file, how can i specify first row as column in flat file?

1 5952

when do we use static cache and when do we use dynamic cache in lookup transformation? with example.

1 4807

what is normalization? explain 1st NF, 2nd NF, 3rd NF

SunGard,

1 11579


Un-Answered Questions { Data Warehouse }

What is Operational Data Store?

1085


what make u disappointmnets in u r career

2215


what are the components in the cognos connection page consists (eg: my folder, public folder,directions, schedule management tool etc.....)

2088


tell me the rules and responsblites in our project(my project is development)

1944


Explain what is informatica metadata and where is it stored?

1064


What are the performance considerations when working with aggregator transformation?

1164


What is the difference between proportion and average?

3350


How online/offline mode impact development and delpoyment?

841


What are the various kinds of containers available in datastage?

1063


Explain in detail about scd type 1 through mapping.

1570


What are the different options associated with dsjob command?

1455


Explain what is cost benefit analysis (cba)?

983


What is the difference between mapping parameter & mapping variable in data warehousing?

1005


How do you convert single row from source into three rows into target?

1175


Difference between Data and Index Caches?

1152