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Data Warehouse General Interview Questions
Questions Answers Views Company eMail

What is Molap and Rolap? What is Diff between Them?

10 14995

what is the use of surrogate key in businessobjects

EDS,

3 7116

How to use the tool Ontobulider

1 2672

what is the difference between DSS and ODS ?

IBM, Satyam,

2 16241

Explain about Control M JObs detaily?How to execute this.

Scope International,

2 29574

In general, how many Fact & Dimension tables are present in a Banking Data warehouse project ?

1351

Theare is a Database In analysis services,How we will specify the fact table.(i.e whether we will create the measure objects for the fact tbl.) or it will reside insde the database.

SingleTusk,

1125

why oracle is the best database for data warehousing?

HCL,

4 6052

for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?

1263

if you use oracle sql*loader , how do you transform data with it during loading?

1202

three ways sql*loader could load data, what are those three types?

1 3551

what are the others of "bad files" and "discard files" when using sql*loader?

1247

how do you use commit frequencies? how does it affect loading performance?

1 3212

what are the other factors of the database on which the loading performance depend?

1106

what is parallelism?

2 3313


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Un-Answered Questions { Data Warehouse General }

What is batch processing?

171


What is a relationship?

185


What is informatica architecture?

174


How can you import tables from a database?

178


What is data mart in data warehouse?

172






What are the steps to build the datawarehouse?

186


How would you write a left join statement to return a result set of movie.title�s and director.name�s?

155


Explain is olap databases are called decision support system true/false?

161


What are the data types present in bo? What happens if we implement view in the designer n report?

170


What is your spectra photometer working principles?

198


What is defined as partial backup?

196


Tell me what is degree of a relation?

164


Where the applications and where ware house management system is used?

169


How can you clear the cache?

159


How to generate iqd file from framework manager?

165