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

scenario

1 4137

Any one tell me some 5 session failure in real time?And why problem occur how to solve the issues?

Amdocs,

1 4613

we have 20 records in source system, when we run for the 1st time, it should load only 10 records into the target, when you run for the second time it should load another 10 record which are not loaded. How do we do that? Can we write a SQL query in source qualifier to do it. This q' is asked in one f the interviews. Please let me know if anyone knows. Thanks

TCS,

3 8273

How can we select pr retrieve the particular row in dataset by using orchadmin command?

IBM,

1 4290

I have 3 jobs A,B and C , which are dependent each other. I want to run A & C jobs daily and B job run only on sunday. how can we do it?

CGI,

1 5608

Hi Cognos Folks, I have all cognos certification dumps. In fact i am certified in most of the dumps recently. I have cognos material, pdfs, user guides, documents along with dumps. If any one required cognos dumps, please drop me mail at cognos.biuser@gmail.com Thanks, Cognos bi user

IBM,

13 19302

hi frnds any body have cognos projects plz send me two(or)three projects to my mail adress ramureddy.reddy4@gmail.com.

1990

i have a session which creates a file every time when i runs the session, but it replaces the first file with second file,i want to append the second file follwed by first file when i runs the session,how to achieve this?

Thomson Reuters,

1 5447

in my source i have 100 records, and 3 targets, i want to load 1st record into 1st target,2nd record into 2nd target,3rd record into 3rd target again 4th target into 1st target and vice versa,how to achieve this?

Thomson Reuters,

3 13504

can we import source table without using source qualifier? if yes then how? if no then why?

Thomson Reuters,

2 10661

in my source table i want to delete first and last records and load in between records into target? how can it possible?

HCL, Thomson Reuters,

3 10012

i have 1000 records in my dource table, the same i have in target ,but a new column added in target as "batchno", and this column adds no 10 for 1st 100 records and 20 for next 100 records and 30 next 100 records and vice versa. how to acheive this?

Thomson Reuters,

6 11899

in my lookup table i want to catch the recently updated records from the source to target,how to achieve this and what is last commit interval point for this?

Thomson Reuters,

2 6948

Can any one help me about cubes in cognos.How to create the cubes and how to migrate from development to QA and also what is the procedure to refresh teh cubes.

2 5247

How many number of reject links merge stage can have?

TCS,

7 15215

Un-Answered Questions { Data Warehouse }

Define Job control?

1146

Explain what is the difference between a primary and secondary actor in use case modeling?

1065

What is the advantage of informatica?

1069

I have a few records just I want to store data in to targets cycling way how?

2363

Explain clustering algorithm?

2274

What is data warehosuing hierarchy?

1172

How can you track login parameters of users in teradata?

1195

What are the various tools used in etl?

1045

Explain what is analytical or analytic mean?

1017

How can create users and permissions in cognos?

961

Mention what information does a .dbc file extension provides to connect to the database?

1335

Explain the importance of surrogate key in data warehousing?

1190

Looking for IBM COGNOS Certification C1000-065 , C2020-605 , C2090-621 , C2090-623 Dumps?

1077

What are the possible data marts in retail sales?

996

What is time series wizard? When and how do you use it?

1648

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