Jennifer Widom 美国康奈尔大学计算机科学博士，现为斯坦福大学计算机科学与电子工程系教授，研究非传统的数据管理。她是ACM会士、Guggenheim会士.Guggenheim会士和美国国家工程院成员,并且是多个编辑委员会.程序委员会和顾问委员会成员.她在2007年获得了ACM SIGMOD Edgar F. Codd 发明奖.
Jeffrey D. Ullman 斯坦福大学计算机科学系Stanford W. Ascherman教授，数据库技术专家。他独立或与人合作出版了15本著作，发表了170多篇技术论文。他的研究兴趣包括数据库理论、数据库集成、数据挖掘和利用信息基础设施进行教育。他是美国国家工程院成员，曾获得Knuth奖、SIGMOD贡献奖、Karlstrom杰出教育家奖和Edgar F. Codd发明奖。
目录
1 The Worlds of Database Systems
1.1 The Evolution of Database Systems
1.1.1 Early Database Management Systems
1.1.2 Relational Database Systems
1.1.3 Smaller and Smaller Systems
1.1.4 Bigger and Bigger Systems
1.1.5 Information Integration
1.2 Overview of a Database Management System
1.2.1 Data-Definition Language Commands
1.2.2 Overview of Query Processing
1.2.3 Storage and Buffer Management
1.2.4 Transaction Processing
1.2.5 The Query Processor
1.3 Outline of Database-System Studies
1.4 References for Chapter 1
Ⅰ Relational Database Modeling
2 The Relational Model of Data
2.1 An Overview of Data Models
2.1.1 What is a Data Model?
2.1.2 Important Data Models
2.1.3 The Relational Model in Brief
2.1.4 The Semistructured Model in Brief
2.1.5 Other Data Models
2.1.6 Comparison of Modeling Approaches
2.2 Basics of the Relational Model
2.2.1 Attributes
2.2.2 Schemas
2.2.3 Tuples
2.2.4 Domains
2.2.5 Equivalent Representations of a Relation
2.2.6 Relation Instances
2.2.7 Keys of Relations
2.2.8 An Example Database Schema
2.2.9 Exercises for Section 2.2
2.3 Defining a Relation Schema in SQL
2.3.1 Relations in SQL
2.3.2 Data Types
2.3.3 Simple Table Declarations
2.3.4 Modifying Relation Schemas
2.3.5 Default Values
2.3.6 Declaring Keys
2.3.7 Exercises for Section 2.3
2.4 An Algebraic Query Language
2.4.1 Why Do We Need a Special Query Language?
2.4.2 What is an Algebra?
2.4.3 Overview of Relational Algeebra
2.4.4 Set Operations on Relations
2.4.5 Projection
2.4.6 Selection
2.4.7 Cartesian Product
2.4.8 Natural Joins
2.4.9 Theta-Joins
2.4.10 Combining Operations to Form Queries
2.4.11 Naming and Renaming
2.4.12 Relationships Among Operations
2.4.13 A Linear Notation for Algebraic Expressions
2.4.14 Exercises for Section 2.4
2.5 Constraints on Relations
2.5.1 Relational Algebra as a Constraint Language
2.5.2 Referential Integrity Constraints
2.5.3 Key Constraints
2.5.4 Additional Constraint Examples
2.5.5 Exercises for Secticn 2.5
2.6 Summary of Chapter 2
2.7 References for Chapter 2
3 Design Theory for Relational Databases
3.1 Functional Dependencies
3.1.1 Definition of Functional Dependency
3.1.2 Keys of Relations
3.1.3 Superkeys
3.1.4 Exercises for Section 3.1
3.2 Rules About Functional Dependencies
3.2.1 Reasoning About Functional Dependencies
3.2.2 The Splitting/Combining Rule
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