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PHP 與 MySQL 入門學習指南

PHP 與 MySQL 入門學習指南. 第 21 章 資料庫管理概論. 凱文瑞克 著. 資料模型. 關連式資料模型. DBMS. 主鍵. 候選鍵. 連結鍵. 外部鍵. 一對一關聯. 一對多關聯. 多對多關聯. 聯集. 差集. 交集. 笛卡兒積. 選取. 投影. 結合. 除法. 正規化. 一階正規化 (First Normal Form,1NF) 二階正規化 (Second Normal Form,2NF) 三階正規化 (Third Normal Form,3NF)

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PHP 與 MySQL 入門學習指南

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  1. PHP與MySQL入門學習指南 第 21 章 資料庫管理概論 凱文瑞克 著

  2. 資料模型

  3. 關連式資料模型

  4. DBMS

  5. 主鍵

  6. 候選鍵

  7. 連結鍵

  8. 外部鍵

  9. 一對一關聯

  10. 一對多關聯

  11. 多對多關聯

  12. 聯集

  13. 差集

  14. 交集

  15. 笛卡兒積

  16. 選取

  17. 投影

  18. 結合

  19. 除法

  20. 正規化 • 一階正規化 (First Normal Form,1NF) • 二階正規化 (Second Normal Form,2NF) • 三階正規化 (Third Normal Form,3NF) • BC 正規化 (Boyce-Codd Normal Form,BCNF) • 四階正規化 (Fourth Normal Form,4NF) • JP正規化 (Join Projection Normal Form,JPNF) • JP強化正規化 (Strong Join Projection Normal Form,SJPNF) • JP正規化 (Over-Strong Join Projection Normal Form,OSJPNF) • DK正規化 (Domain Key Normal Form,DKNF)

  21. 第一階段正規化

  22. 第二階段正規化

  23. 第三階段正規化

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