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5 months ago
Why do we say a database is self-describing and why is this an advantage?
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Database Processing: Fundamentals, Design, and Implementation
Edition: 15th
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5 months ago
A database is considered self-describing because it contains a description of its own structure within the database itself. This description is called the metadata, and it is stored in specialized tables in relational databases. The advantage is that the database is self-documenting, and that a knowledgeable user or a database designer can easily access the metadata. All DBMS vendors provide tools to access the metadata within their products.
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