EMERGING TRENDS IN SOFTWARE ENGINEERING
MISCELLANEOUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Relational schemas and other metadata about relations are stored in a structure called the ____
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Metadata
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Catalog
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Log
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Data Dictionary
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Explanation:
Detailed explanation-1: -So, storing the relational schemas and other metadata about the relations in a structure is known as Data Dictionary or System Catalog.
Detailed explanation-2: -All the data dictionary tables and views for a given database are stored in that database’s SYSTEM tablespace.
Detailed explanation-3: -A Data Dictionary also provides metadata about data elements. The metadata included in a Data Dictionary can assist in defining the scope and characteristics of data elements, as well the rules for their usage and application.
Detailed explanation-4: -A data dictionary contains metadata i.e data about the database.
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