一、运输协议概述 二、TCP/IP体系中的运输层 三、用户数据报协议UDP 四、传输控制协议TCP

Chapter 15: Transactions Transaction Concept Transaction State Implementation of Atomicity and Durability Concurrent Executions Serializability Recoverability Implementation of Isolation Transaction Definition in SQL

Chapter 7: Relational Database Design First Normal Form Pitfalls in Relational Database Design Functional Dependencies Decomposition Boyce-Codd Normal Form Third Normal Form Multivalued Dependencies and Fourth Normal Form

Chapter 4: SQL Background Basic Structure Set Operations Aggregate Functions Null Values Nested Subqueries Derived Relations Views Modification of the Database Joined Relations

Chapter 3: Relational Model Structure of Relational Databases Relational Algebra Extended Relational-Algebra-Operations Modification of the Database Views Tuple Relational Calculus Domain Relational Calculus Database System Concepts

Chapter 2: Entity-Relationship Model Basic Concepts Constraints Keys Design Issues E-R Diagram Weak Entity Sets Extended E-R Features Design of an E-R Database Schema Reduction of an E-R Schema to Tables

Chapter 1: Introduction Applications of Database Systems Database Systems versus File Systems View of Data Data Models Database Language Database Users and Administrator Transaction Management Database System Structure Application Architectures

一、随机存取机RAM的构造

6.1广域网的基本概念 6.2广域网中的分组转发机制 6.3X25分组交换网 6.4帧中继FR 6.5综合业务数字网ISDN 6.6异步传递模式ATM

一、用计算机求解问题