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DBMS%20BCA%20Unit-1
DBMS - Introduction
The File Based System
Database System vs. File Based System
Limitations of File Based System
Database System Components
Advantages of Database Approach
DBMS ARCHITECTURE
Three Level Architecture of DBMS
External or View Level
Conceptual Level
Internal or Physical Level
Data Independence
Physical DBMS Architecture
Database Manager
Database Users
Database Administrator (DBA)
Roles and Responsibilities of DBA
Data Models
The Relational Data Model
The Network Data Model
The Hierarchical Data Model
MySQL Installation in Ubuntu
Database System vs. File Based System