Explain about database system structure, Database Management System

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Explain about database system structure?

Storage manager

Authorization and integrity manager

Transaction manager

File manager

Buffer manager

Storage manager executes several data structure as a part of physical system execution

Data function

Data dictionary

Indices

The query processor

DDL interpreter

DML

Query evaluation engine

 


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Answer, what is database management system? & why it is required?

what is database management system? & why it is required?

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