Data Definition Basic Query Structure Set Operations Aggregate Functions Null Values Nested Subqueries Complex Queries Views Modification of the Database Joined Relations**

Tuple Relational Calculus Domain Relational Calculus Query-by-Example (QBE) Datalog

Design Process Modeling Constraints E-R Diagram Design Issues Weak Entity Sets Extended E-R Features Design of the Bank Database Reduction to Relation Schemas Database Design UML

Overview of Physical Storage Media Magnetic Disks RAID Tertiary Storage Storage Access File Organization Organization of Records in Files Data-Dictionary Storage Storage Structures for Object-Oriented Databases

Overview Measures of Query Cost Selection Operation Sorting Join Operation Other Operations Evaluation of Expressions

7.1 定时器/计数器的结构及原理 7.2 定时器/计数器的控制 7.3 定时器/计数器的工作方式 7.4 定时器/计数器应用举例

JSP运行原理 JSP页面构成 JSP指令 JSP动作标签 JSP内置对象

第一节 概述 第二节 有关吸收基本理论 第三节 传质速率方程 第四节 吸收塔的计算

Transaction Concept Transaction State Concurrent Executions Serializability Recoverability Implementation of Isolation Transaction Definition in SQL Testing for Serializability

第一节 概述 第二节 热传导 第三节 对流传热 第四节 传热计算 第五节 辐射传热