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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?

 537

Explain where do we use semi and non additive facts?

 569

What is cost benefit analysis (cba)?

 589

Explain what is the data type of the surrogate key?

 583

Explain what is the difference between olap and datawarehosue?

 608

What are modeling tools available in the market?

 565

Explain what is the advantages data mining over traditional approaches?

 587

What is your spectra photometer working principles?

 559

What we will do with the universe for faster process?

 575

What are the various file formats involved in reportnet?

 541

Explain how many ways you create ports?

 617

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

 524

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

 504

Explain what are components of reportnet?

 557

Explain a relation schema and a relation?

 593

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Un-Answered Questions { Data Warehouse General }

What are snapshots? What are materialized views & where do we use them?

530

Difference between e-r modeling and dimentional modeling?

497

What according to you might be the future of data warehousing?

534

Explain what is full load & incremental or refresh load?

535

What is the 4 + 1 view model as it relates to system modeling?

603




Give some difference between oltp and olap.

597

What is Cognos script editor?

2076

What is the difference between star and snowflake schemas?

601

What are the stages of datawarehousing?

543

does anyone "QlikView" BI tool. if you have any docs send me pls. yaparas84@gmail.com

5476

What is surrogate key? Where we use it? Explain with examples.

549

What is the function of etl when used in data warehousing?

541

Can you pass sql queries in filter transformation?

541

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

537

What are the types of partitioning?

580

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