In following figure we see an outline of a complete DBMS. Single boxes represent system components, while double boxes represent in-memory data structures. The solid lines indicate control and data flow, while dashed lines indicate data flow only.
Since the diagram is complicated, we shall consider the details in various stages. First, at the top, we suggest that there are two different sources of commands to the DBMS:
1. Conventional users and application programs that ask for data or alter data.
2. A database administrator: a person or persons responsible for the structure or diagram
of the database.
- data flow
- Declaring Keys in ODL
- Review of Object-Oriented Concepts
- The Entity-Relationship Data Model
- Information Integration Overview
- Database System Implementation
- Transaction Processing
- Data-Definition Language Commands
- Information Integration
- Multimedia Data
- Client-Server and Multi-Tier Architectures
- Parallel Computing
- Smaller and Smaller Systems
- Corporate Records
- Banking Systems
- Airline Reservations Systems
- Early Database Management Systems
- The Evolution of Database Systems
- The Worlds of Database Systems