EMERGING TRENDS IN SOFTWARE ENGINEERING
MISCELLANEOUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A relational database system needs to maintain data about the relations, such as the schema of the relations. This is called
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Metadata
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Catalog
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Log
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Dictionary
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Explanation:
Detailed explanation-1: -A meta data is the data about the data. It is the self-describing nature of databases. It holds the information about each data element in the database. Such as names, types, range of values, access authorization, indicate which application program uses the data.
Detailed explanation-2: -Metadata summarizes basic information about data, making finding & working with particular instances of data easier. Metadata can be created manually to be more accurate, or automatically and contain more basic information.
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