DATABASE FUNDAMENTALS
DATA WAREHOUSING AND DATA MINING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Application level metadata.
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User level metadata.
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Enduser level metadata.
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Core level metadata.
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Detailed explanation-1: -Answer-B) Application-level metadata maps the core warehouse metadata to business concepts. 37.
Detailed explanation-2: -Metadata is simply defined as data about data. The data that is used to represent other data is known as metadata. For example, the index of a book serves as a metadata for the contents in the book. In other words, we can say that metadata is the summarized data that leads us to detailed data.
Detailed explanation-3: -Once the data is in the data warehouse, metadata management allows the data to be found by any user at a later date. Any queries that are made into the data warehouse depend on metadata to locate it and give an overview of the data without necessitating a full examination of the document itself.