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Data Warehouse Interview Questions
Questions Answers Views Company eMail

Different sorts of metadata that stores in the storage facility?

 564

How might you approve all mappings in the archive all the while?

 603

Quickly characterize reusable change?

 695

What do you mean by channel change?

 549

What is abap? What are idocs?

 516

How can we use external procedural logic in informatica?

 528

Do we need an etl tool?

 559

What is etl process. How many steps etl contains explain with example?

 519

What is a staging area? What is the purpose of a staging area?

 496

What are vaious etl tools in the market?

 583

What are the measure objects?

 668

What are the different types of transformation available in informatica.

 641

Explain what are the different types of transformation available in informatica.

 576

What is the difference between power center and power mart? What is the procedure for creating independent data marts from informatica 7.1?

 609

How to do unit testing in informatica? How to load data in informatica ?

 655

Un-Answered Questions { Data Warehouse }

Explain vldb?

633

What is dimensional table? Explain the different dimensions.

667

What is loop in data warehousing?

685

What is the difference between a data mart and a data warehouse?

548

What is a junk dimension? What is the difference between junk dimension and degenerated dimension?

494




Explain what are fact, dimension, and measure?

559

what is star schema? : Sas-di

649

Difference between data warehousing and olap?

655

In what scenario we use to improve session performance by pushdown optimization?can any one give example?

5268

Write the advantages of partitioning a session?

753

What is the opening step in basic teradata query script?

600

What do you mean by dimensional modeling and relational modeling?

502

What is the scenario which compels informatica server to reject files?

608

What is the difference between formal and export parameter? Export at what secenario we are going to use?

2154

Which component has onread method and what it is used for?

515

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