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RDBMS FUNDAMENTALS - Architecture of a Database

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RDBMS FUNDAMENTALS - Architecture of a Database

Architecture of a Database :
Need for an Architecture : The details about complexity and structure of data in a database in not required by end-users. Therefore, differentiating what the end-users see and what is actually there in a database is important. Architecture of a Database : The architecture of a database comprises a set of three levels at which a database can be viewed.
External Level or View, Conceptual Level or View & Internal Level or View.

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