The document discusses the key components and advantages of database systems compared to traditional file systems. It notes that database systems evolved from file systems to address issues like data redundancy, lack of flexibility, and structural dependence. The main components of a database system are the database itself, which stores data and metadata in an integrated structure, and the database management system (DBMS), which manages access to the database and provides advantages like improved data sharing and security. In contrast to file systems, database systems provide data independence and eliminate many shortcomings of file-based data processing.
2. Database Principles:
Fundamentals of Design,
Implementation, and
Management
Ninth Edition
Chapter 1
Database Systems
Carlos Coronel, Steven Morris, and Peter Rob