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数 据 库 原 理
Fundamentals of Database
• 参考文献
• 1.数据库原理与方法
• 2.数据库导论
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郑若忠
王 珊
Development History of
Database
• 1.W.Backman 62 年：
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IDS—Integrated Data Store
• 2. System Development Corporation
• 63---Development and Management of a Com•
puter_Centered Database
• 65---Development and Management of a Com•
puter_Centered Database
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Development-------------------- 2
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Data Independence
Data Share
Cross-access
Expending and Redundancy
Model and Data Languages
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3.Conference On DAta SYstem
Languages
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CODASYL
DBTG---Data Base Task Group 67--71
Data language :
DDL---Data Description Language
DML---Data Manipulation Language
DBTG---database
Network Model
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4. IBM-------------------------------• IMS==Hierarchical Model
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5.E.F.Codd--------------------------• A Relational Model of Data of Large Share
Data Banks
• Relational Model
• relational algebra calculate
• data dependency
• Data Normalization Theory and Method
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•END