2.4.6 Case 表达式.................................................................................................................................................................................10
2.5 Chapter 4 :多表查询.......................................................................................................................................................................11
2.5.1 常用查询......................................................................................................................................................................................11
2.6 Chapter 5 :组函数...........................................................................................................................................................................11
2.6.1 Oracle 常用组函数:.....................................................................................................................................................................11
2.6.2 注意:.............................................................................................................................................................................................11
2.7 Chapter 6 :子查询...........................................................................................................................................................................12
2.7.1 单行子查询:.................................................................................................................................................................................12
2.7.2 多行子查询:.................................................................................................................................................................................12
2.8 Chapter 7 :数据操作.......................................................................................................................................................................12
2.8.1 DML 语句类型............................................................................................................................................................................12
2.9 Chapter 8 :创建和维护表...............................................................................................................................................................12
2.9.1 数据库对象..................................................................................................................................................................................12
2.9.2 命名规则......................................................................................................................................................................................13
2.9.3 Oracle 数据类型..........................................................................................................................................................................13
2.9.4 用子查询创建表..........................................................................................................................................................................13
2.9.5 ALTER TABLE 语句...................................................................................................................................................................13
2.9.6 其他操作......................................................................................................................................................................................13
2.10 Chapter 9 :约束.............................................................................................................................................................................13
2.10.1 简介............................................................................................................................................................................................13
2.10.2 分别介绍....................................................................................................................................................................................13
2.11 Chapter 10 :视图...........................................................................................................................................................................14
2.11.1 用处............................................................................................................................................................................................14
2.12 Chapter 11 :其它数据库对象.......................................................................................................................................................14
2.12.1 序列............................................................................................................................................................................................14
2.12.2 索引............................................................................................................................................................................................14
3 HTML 部分..........................................................................................................................................14
3.1 实用页面设计方法.............................................................................................................................................................................14
3.1.1 标签..............................................................................................................................................................................................14
4 JAVA WEB 部分.................................................................................................................................14
4.1 Servlet 模型........................................................................................................................................................................................14
4.1.1 MyEclipse 注册码(至 2012)...................................................................................................................................................14
4.1.2 请求对象......................................................................................................................................................................................14
4.2 会话 session........................................................................................................................................................................................15
4.2.1 会话跟踪技术..............................................................................................................................................................................15
4.2.2 字符集转换(E->C)......................................................................................................................................................................15
str = new String(str.getBytes(“ISO-8859-1”), “GB2312”);..................................................................................................................15
a.............................................................................................................................................................................................................15