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

Data Warehouse General Interview Questions

Questions Answers Views Company eMail

How did you plan your Data ware house project?

TCS,

2242

What are different deliverables according to phases?

3323

Can you explain how analysis service works?

1 3755

What are the different problems that ?Data mining? can solve?

2774

What are different stages of ?Data mining??

1 6172

What is Discrete and Continuous data in Data mining world?

2575

What is MODEL is Data mining world?

Bank Of America,

2534

How are models actually derived?

1945

What is a Decision Tree Algorithm?

4948

Can decision tree be implemented using SQL?

2065

Explain clustering algorithm?

2210

What is Time Series algorithm in data mining?

2 6296

Explain Association algorithm in Data mining?

2263

What is Sequence clustering algorithm?

1967

What are algorithms provided by Microsoft in SQL Server?

1983

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Un-Answered Questions { Data Warehouse General }

What are the steps involved in creating dimensional modeling process?

951

Explain what are the different methods of loading dimension tables?

902

What are the different types of datawarehosuing?

947

Explain me what are conformed dimensions?

950

Whether dimension table can have numeric value?

1054

Explain how to export mappings to the production environment?

919

Define data warehouse?

966

What is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?

957

Explain what is data validation strategies for data mart validation after loading process?

966

Explain why are oltp database designs not generally a good idea for a data warehouse?

974

What needs to be done when the database is shutdown?

965

Explain about core dimension, balanced dimension, and dirty dimension?

945

Can we have multiple application.cfm file in an application?

907

How to pivot row data using informatica?

877

What are the various methods of getting incremental records or delta records from the source systems?

887

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