4.1数据类型 4.2创建表 4.3创建、删除和修改约束 4.4增加、删除和修改字段 4.5查看表格 4.6删除表

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How to Contact The MathWorks 508-647-7000 Phone 508-647-7001 ax C The MathWorks, Inc Maill 3 Apple Hill Drive Natick. MA 01760-2098 http://www.mathworks.comWeb Anonymous FTP server

two -Server- Hypercube” Queueing Model Distinguishable servers Different workloads(due to geography) Can appear with or without queueing With-- usually FCFS Without--usually means a backup contract service is in place

9.1视图及其用途 9.2创建视图 9.3视图的操作

4.1数据库的组成 4.2系统数据库和示例数据库 4.3创建数据库和事务日志 4.4管理数据库

一、实体与联系 二、关系模型 三、关系模型规范化 四、关键字 五、数据的完整性

第7章索引及约束 7.1索引 7.2约束

15.1备份与还原 15.2数据的导入和导出