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Data Warehouse General Interview Questions
Questions Answers Views Company eMail

How did you plan your Data ware house project?

TCS,

1320

What are different deliverables according to phases?

 2457

Can you explain how analysis service works?

 1 2549

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

 1883

What are different stages of ?Data mining??

 1 4371

What is Discrete and Continuous data in Data mining world?

 1738

What is MODEL is Data mining world?

Bank Of America,

1668

How are models actually derived?

 1120

What is a Decision Tree Algorithm?

 4021

Can decision tree be implemented using SQL?

 1220

Explain clustering algorithm?

 1274

What is Time Series algorithm in data mining?

 2 4587

Explain Association algorithm in Data mining?

 1385

What is Sequence clustering algorithm?

 1105

What are algorithms provided by Microsoft in SQL Server?

 1180

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Un-Answered Questions { Data Warehouse General }

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

1514

Explain what is a three tier data warehouse?

140

Do you always need to copy the data before reporting on it?(Example, real-time & on-demand reporting is a requirement)?

143

I know of using applysimple, but there are other ways too?

144

What is ods (operation data source)?

133




Explain what is the difference between stop and abort?

136

How to calculate fact table granularity?

141

Why is business intelligence (bi) important in data warehousing?

157

What are the different types of fact tables used in data warehousing?

166

What is the purpose of cluster analysis in data warehousing?

151

Explain what are slowly changing dimensions?

150

What is data mart in data warehouse?

138

Explain the data types present in bo n wht happens if we implement view in the designer n report?

160

Who needs data warehousing?

137

Tell me what is degree of a relation?

125

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