Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in /home/lsp4you/public_html/connect.php on line 2 LSP4YOU - Learner's Support Publications
DBMS BCA Unit-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


DBMS ARCHITECTURE

  • The logical DBMS architecture
    • The logical architecture deals with the way data is stored and presented to users.
  • The physical DBMS architecture
    • The physical architecture is concerned with the s/w components that make up a DBMS.