Data Warehousing

Front

The term Data Warehouse was coined by Bill Inmon in 1990, which he defined in the following way: "A warehouse is a subject-oriented, integrated, time-variant and non-volatile collection of data in support of management's decision making process".

Back

"A warehouse is a subject-oriented, integrated, time-variant and non-volatile collection of data in support of management's decision making process".

Front

Which is difficult topic in this unit?

Back

OLAP SERVER, DATA WAREHOUSING ARCHITECTURE, STAR SCHEMA, FACT CONSTELLATION

Front

Definition of Subject Oriented Data: Data that gives information about a particular subject instead of about a company's ongoing operations.

Back

True

Front

Select easiest topic in this unit: OLTP vs OLAP, OLAP servers, Architecture, Schemas

Back

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Front

Informational Data is: Focusing on providing answers to problems posed by decision makers, Summarized, Non updateable, All of above

Back

All of above