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1File Systems and Databases
Chapter 1
Prof. Sin-Min Lee
Dept. of Computer Science
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File Systems and Databases: Introduction to Database Concepts, Lecture notes of Database Management Systems (DBMS)
File systems and databases differences
Typology: Lecture notes
2017/2018
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File Systems and Databases Chapter 1 Prof. Sin-Min Lee Dept. of Computer Science
Introducing the Database Introducing the Database Major Database Concepts (^) Data and information (^) Data - Raw facts (^) Information - Processed data (^) Data management (^) Database (^) Metadata (^) Database management system (DBMS)
Figure 1. Sales per Employee for Each of ROBCOR’S Two Divisions
Figure 1. The DBMS Manages the Interaction Between the End User and the Database
Introducing the Database Introducing the Database (^) Why Database Design Is Important? (^) A well-designed database facilitates data management and becomes a valuable information generator. (^) A poorly designed database is a breeding ground for uncontrolled data redundancies. (^) A poorly designed database generates errors that lead to bad decisions.
Figure 1. Contents of the CUSTOMER File