Why Use a DBMS?
Data independence and efficient access
Data integrity and security
Uniform data administration
Concurrent access, recovery from crashes
Purpose of DBMS
Data redundancy and inconsistency
Difficulty in new program to carry out each new task
Data isolation
Integrity problems
Security problems
Data models
There are three types of model.
Hierarchical Model
Network Model
Relational Model
Architecture
External Level
Conceptual Level
Internal Level
Components of DBMS
Hardware
Software
Data
People
Procedure
- See more at: http://studymafia.org/dbms-seminar-ppt-with-pdf-report/#sthash.vrY6aEcR.dpuf