The movement of data is represented logically in a logical data flow diagram, in contrast to a physically organised data flow diagram, which displays the flow of data physically. What exactly is meant by the term "MetaData" in the context of a data warehouse? Why is it considered to be of such significance?

Principles of Information Systems (MindTap Course List)
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ISBN:9781285867168
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter5: Database Systems And Applications
Section5.7: Information Systems @ Work: Brandwatch: Applying Business Intelligence To Social Media Data To Make Advertising Decisions
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The movement of data is represented logically in a logical data flow diagram, in contrast to a physically organised data flow diagram, which displays the flow of data physically. What exactly is meant by the term "MetaData" in the context of a data warehouse? Why is it considered to be of such significance?

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