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Data Warehouse General Interview Questions
Questions Answers Views Company eMail

What is normalization, first normal form, second normal form, third normal form?

 526

Explain where do we use semi and non additive facts?

 557

What is cost benefit analysis (cba)?

 575

Explain what is the data type of the surrogate key?

 569

Explain what is the difference between olap and datawarehosue?

 594

What are modeling tools available in the market?

 551

Explain what is the advantages data mining over traditional approaches?

 574

What is your spectra photometer working principles?

 552

What we will do with the universe for faster process?

 561

What are the various file formats involved in reportnet?

 534

Explain how many ways you create ports?

 606

Explain how to get the first 100 rows from the flat file into the target?

 518

Why should you put your data warehouse on a different system than your oltp system?

 493

Explain what are components of reportnet?

 546

Explain a relation schema and a relation?

 585

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Un-Answered Questions { Data Warehouse General }

Explain what is the main difference between inmon and kimball philosophies of data warehousing?

519

What are situations where snow flake schema is better than star schema to use and when the opposite is true?

526

What is dimensional modelling?

515

What function should we use to display the value entered or selected by a user in response to a prompt?

505

What are steps we have to follow in designing the userfriendly universe?

543




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

478

What are modeling tools available in the market?

551

What is an er diagram?

624

Explain can report net connect multiple datasource at a time in report creation time?

486

Tell me what is full load & incremental or refresh load?

506

Explain datawarehousing?

549

What is the difference between power center & power mart?

497

Explain what is ods (operation data source)?

538

What is the difference between metadata and data dictionary?

576

Hi Friends, Can anyone tell me. is there any certification in Database testing or BI testing or ETL testing international certification? Thanks ArunKumar

1554

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