前言

談一點點關於資料庫的定義QQ
有很多定義要去釐清

正文

• Database、Database Management System (DBMS) 和Database System 之比較
  • Database
    • a collection of related data
  • DBMS
    • 處理Database的軟體
  • Database System
    • DBMS+ database
• 設計database的步驟
  1. Requirements specification and analysis
  2. Conceptual design
  3. Logical design
  4. Physical design
• Database 與File-processing?
  • Database 具備
    1. Self-contained nature: 使用meta-data 描述
    2. Program-data independence
    3. Data abstraction: data models support conceptual views
    4. Support of multiple views of the data