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Data Warehouse Interview Questions
Questions Answers Views Company eMail

What are Fact tables and Dimension Tables?

IBM,

6 57372

What is Snow Flake Schema design in database?

3 8015

What is ETL process in Data warehousing?

3 17066

How can we do ETL process in SQL Server?

ETL,

1 7010

What is ?Data mining??

2 5470

Compare ?Data mining? and ?Data Warehousing??

5 10916

What is BCP?

1 6155

How can we import and export using BCP utility?

1 6320

What is Bulk Insert?

3 12367

What is DTS ?

1 5493

Can you brief about the Data warehouse project you worked on?

Deloitte, TCS,

2377

What is an OLTP (Online Transaction Processing) System?

4 9157

What is an OLAP (On-line Analytical processing) system?

1 5102

What is Conceptual, Logical and Physical model?

1 13085

What is Data purging?

TCS,

8 53059


Un-Answered Questions { Data Warehouse }

Diff b/w Crossproduct and Outerjoin?

2281


If you could design your ideal job, what would it look like?

2931


Did you write stored procedures in teradata?

1132


How would you define the end of a macro?

1093


What is primary and backup node?

1127


Difference between project merge and object manager in microstrategy?

993


what are the major three types of modeling used?

1067


What are the various test procedures used to check whether the data is loaded in the backend, performance of the mapping, and quality of the data loaded in informatica?

1075


For a user to have access to a standard workspace server, is internal authentication alone is sufficient? : sas-grid-administration

1007


How many tables can you join in v2r5?

1072


For faster process, what we will do with the universe?

990


What is a table alias in obiee? And where and how will you create it.

900


--------------Explain Table of contents?

2024


What are the different log files in obiee?

962


Hello , I am unable to work with SQL transformation at least. Where do i need to give connection for sql transformaton ? At session level there is no property . I have created a SQL Transformation and chosen query mode. But do i need to pass connection information to it ? I don't know where do i need to write a query ? I have written a query in file and that file path i gave in the properties of SQL Transformation. But it is not working. Could any one of you please let know how can i work with SQL Transformation? Advance Thanks.

2859