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	Data Warehousing Interview Questions & Answers Below we have listed all the Data Warehousing Interview Questions and answers. Feel free to comment on any Data Warehousing Interview Questions or answer by the comment feature available on the page. To buy an eBook containing 30,000 Interview Questions, with Answers, Click Here. View All Data Warehousing Interview Questions & Answers - Exam Mode / Learning Mode
Data Warehousing Interview Questions & Answers
Data warehousing is the process of constructing and using a data warehouse. A data warehouse is constructed by integrating data from multiple heterogeneous sources that support analytical reporting, structured and/or ad hoc queries, and decision making. A data warehouse is a subject-oriented, integrated, time-variant and non-volatile collection of data in support of management's decision making process. Subject-Oriented: A data warehouse can be used to analyze a particular subject area.

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	Question	Rating	View Answer
	what is project architecture in datastage		View Answer
	What is a level of Granularity of a fact table?		View Answer
	What is the difference between OLAP and data warehouse?		View Answer
	Explain about the top design?		View Answer
	What are the general stages of use of dataware house?		View Answer
	What is Data warehousing Hierarchy?		View Answer
	What is snapshot?		View Answer
	What is SCD1 , SCD2 , SCD3?		View Answer
	What is a look up table?		View Answer
	Is it correct/feasible develop a Data Mart using an ODS?		View Answer
	How can u recover the session in sequential batches?		View Answer
	Why should you put your data warehouse on a different system than your OLTP system?		View Answer
	What are the possible data marts in Retail sales.?		View Answer
	What are slowly changing dimensions (SCD)?		View Answer
	Explain in brief about critical column.		View Answer
	What is the difference between data warehousing and business intelligence?		View Answer
	What is a data mart?		View Answer
	Can a dimension table contains numeric values?		View Answer
	How much data hold in one universe.		View Answer
	What do you know about Datawarehousing ?		View Answer

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