Question

What describes the data contained in the data warehouse?

Answer 1

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Metadata describes the data contained in the data warehouse

Answer 2

Answer: Metadata

Explanation:

To Find : What describes the data contained in the data warehouse?

Concept :

Metadata is simply described as data about data. The data that is used to represent other data is known as metadata in data warehouse. For example, the index of a project serves as a metadata for the contents in the project . In other words, we can tell that metadata is the concluded data that leads us to detailed data or information. In data warehouse, we can define metadata as :

• Metadata is the road-map (overview) to a data warehouse.

• Metadata in a data warehouse describes the warehouse objects.
• Metadata acts as a directory which helps the decision support system to locate the contents of a data warehouse.

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