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General Datawarehousing Interview Questions & Answers

Below we have listed all the General Datawarehousing Interview Questions and answers. Feel free to comment on any General Datawarehousing Interview Questions or answer by the comment feature available on the page.

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What type of Indexing mechanism do we need to use for a typical datawarehouse? View Answer

What are Semi-additive and factless facts and in which scenario will you use such kinds of fact tables? View Answer

What is VLDB? View Answer

What is the Difference between OLTP and OLAP? View Answer

What is a level of Granularity of a fact table? View Answer

What is ODS? View Answer

What are the Different methods of loading Dimension tables? View Answer

Why are OLTP database designs not generally a good idea for a Data Warehouse? View Answer

What is SCD1 , SCD2 , SCD3? View Answer

What are conformed dimensions? View Answer

How do you load the time dimension? View Answer

Differences between star and snowflake schemas? View Answer

Why should you put your data warehouse on a different system than your OLTP system? View Answer

Name some of the real time data-warehousing tools. View Answer

What are the various Reporting tools in the Market? View Answer

What are Data Marts? View Answer

What are slowly changing dimensions? View Answer

What is a dimension table? View Answer

What is a lookup table? View Answer

What is data mining? View Answer

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