Brief Introduction to Database Concepts

• cours - matière potentielle : that a student
• mémoire
• fiche de synthèse - matière potentielle : the entities

Brief Introduction to Database Concepts Andrea Rodrıguez Summer School - Castellon 2004 Department of Computer Science University of Concepcion, Chile 1 Introduction Information and data are different. Information is understood by a person. Data are values stored on a passive medium like a computer disk. The purpose of a database management system (DBMS) is to bridge the gap between information and data - the data stored in memory or on disk must be converted to usable information.

• connection between entities
• rest of the system
• entity
• section
• model
• attribute
• relationships
• schema
• class
• database