Oracle PL/SQL编程开发详解

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"Oracle PL/SQL编程开发指南,涵盖了PL/SQL的基本原理、控制语法、数据类型,以及在Oracle数据库中的应用,包括存储过程、触发器、XML处理、Web页面集成、事务管理和自动化数据库管理。" Oracle PL/SQL是Oracle数据库系统中用于数据库应用程序开发的一种过程式语言,它结合了SQL的查询能力与编程语言的功能,使得开发者能够更有效地与数据库进行交互。此编程开发指南主要分为四个部分,详细讲解了以下几个核心知识点: 1. **PL/SQL的基础**: - **新特性**:指南可能介绍了Oracle 10g版本中PL/SQL的新功能和改进,帮助开发者了解如何利用这些特性提高代码效率和可维护性。 - **建立和运行PL/SQL程序**:这部分内容可能涵盖编写、编译和执行PL/SQL程序的基本步骤,包括声明变量、编写过程和函数等。 2. **PL/SQL应用程序结构**: - **条件和序列控制**:讨论了如何使用IF-ELSE、CASE语句进行条件判断,以及如何利用序列(sequence)进行递增或递减操作。 - **循环控制**:涵盖了简单LOOP、FOR LOOP、WHILE LOOP等循环结构,帮助开发者实现重复性的任务。 3. **PL/SQL应用数据**: - **数据类型**:包括字符串(Strings)、数值(Numbers)、日期和时间戳(Dates and Timestamps)、记录(Records)和集合类型(Collections),详细解释了这些数据类型的使用方法和操作技巧。 - **其他数据类型**:可能涵盖了Oracle特有的复杂数据类型,如对象类型和游标(Cursor)。 4. **PL/SQL中的SQL**: - **DML和事务管理**:探讨了插入、更新、删除数据的动态SQL语句,以及如何管理事务,确保数据的一致性和完整性。 此外,PL/SQL的其他重要特性还包括其与SQL的紧密集成,允许在PL/SQL程序中直接执行SQL查询,以及强大的异常处理机制,可以捕获并处理运行时错误。PL/SQL还支持创建命名的、可重用的代码单元,如包(Package)、函数(Function)、过程(Procedure)和触发器(Trigger),这对于模块化编程和代码组织至关重要。 通过这个指南,开发者不仅可以深入理解PL/SQL的基础概念,还能掌握在实际开发中高效利用PL/SQL的技巧,从而提升Oracle数据库应用的性能和质量。
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PL/SQL Developer 7.0 用户指南 目录 1.介绍.................................................9 2. 安装....................................................................................................................................................13 2.1 系统需求......................................................13 2.2 工作站安装....................................................13 2.3 基于服务器安装................................................13 2.4 脚本安装......................................................14 2.5 卸载 PL/SQL DEVELOPER...........................................14 3. 编写程序............................................................................................................................................15 3.1 创建程序......................................................15 3.2 保存程序......................................................16 3.3 修改程序......................................................17 3.4 编译程序......................................................17 3.5 置换变量......................................................18 4. 测试程序............................................................................................................................................19 4.1 创建测试脚本..................................................19 4.2 运行测试脚本..................................................20 4.3 变量类型......................................................21 4.4 保存测试脚本..................................................22 4.5 跟踪运行时间错误..............................................23 4.6 包声明和 JAVA 会话声明.........................................23 4.7 查看结果集....................................................24 4.8 查看 DBMS_OUTPUT................................................24 4.9 查看 HTP 输出.................................................24 4.10 调试..........................................................24 4.11 跟踪运行......................................................28 4.12 回归测试......................................................29 5. 优化....................................................................................................................................................30 5.1 使用解释计划窗口..............................................30 5.2 自动统计......................................................31 5.3 PL/SQL 概览图...................................................32 5.4 SQL 跟踪........................................................33 6. 专用 SQL............................................................................................................................................35 6.1 使用 SQL 窗口.................................................35 6.2 结果表格处理..................................................36 6.3 实例模式查询..................................................40 6.4 连接查询......................................................41 6.5 置换变量......................................................42 4 PL/SQL Developer 7.0 用户指南 6.6 更新数据库....................................................43 6.7 查看和编辑 XMLTYPE 列..........................................44 6.8 直接查询导出..................................................44 6.9 保存 SQL 脚本..................................................44 6.10 创建标准查询..................................................45 7. 命令窗口............................................................................................................................................46 7.1 输入 SQL 语句和命令............................................46 7.2 开发命令文件..................................................47 7.3 支持命令......................................................48 8. 创建与修改非 PL/SQL 对象............................................................................................................51 8.1 表定义编辑器..................................................51 8.2 序列定义编辑器................................................63 8.3 同义词定义编辑器..............................................63 8.4 库定义编辑器..................................................64 8.5 目录定义编辑器................................................64 8.6 作业定义编辑器................................................65 8.7 队列定义编辑器................................................65 8.8 队列表定义编辑器..............................................66 8.9 用户定义编辑器................................................67 8.10 角色定义编辑器................................................70 8.11 概要文件定义编辑器............................................71 8.12 数据库连接定义编辑器..........................................71 9. 图表....................................................................................................................................................72 9.1 创建图表......................................................72 9.2 保存和打开图表文件............................................75 9.3 更新图表......................................................75 10. 报告....................................................................................................................................................76 10.1 标准报告......................................................76 10.2 定制报告......................................................77 10.3 变量..........................................................78 10.4 精制版面......................................................83 10.5 风格库........................................................90 10.6 选项..........................................................91 10.7 报告菜单......................................................93 11. 图形....................................................................................................................................................94 12. 工程....................................................................................................................................................97 12.1 创建一个新工程................................................97 12.2 保存工程......................................................98 12.3 添加文件到工程................................................98 12.4 添加数据库对象到工程..........................................98 PL/SQL Developer 7.0 用户指南 5 12.5 用工程项目工作................................................99 12.6 编译工程......................................................99 13. 任务项目..........................................................................................................................................101 13.1 创建任务项目.................................................102 13.2 编辑任务项目.................................................102 13.3 关闭任务项目.................................................103 13.4 删除任务项目.................................................103 14. 窗口、数据库会话和事务.............................................................................................................104 14.1 会话模式.....................................................104 14.2 运行于多路会话或双路会话模式.................................104 15. 浏览对象..........................................................................................................................................105 15.1 使用浏览器...................................................105 15.2 浏览器过滤器.................................................110 15.3 浏览器文件夹.................................................111 16. 首选项..............................................................................................................................................114 16.1 ORACLE - 连接.................................................115 16.2 ORACLE - 选项.................................................116 16.3 ORACLE - 调试器...............................................117 16.4 ORACLE - 输出.................................................118 16.5 ORACLE - 跟踪.................................................119 16.6 ORACLE - 概览图...............................................119 16.7 ORACLE - 登录历史.............................................121 16.8 ORACLE - 提示.................................................122 16.9 用户界面 - 选项.............................................124 16.10 用户界面 - 工具栏...........................................125 16.11 用户界面 - 浏览器...........................................126 16.12 用户界面 - 编辑器...........................................127 16.13 用户界面 - 字体.............................................129 16.14 用户界面 - 代码助手.........................................130 16.15 用户界面 - 键配置...........................................131 16.16 用户界面 - 外观.............................................132 16.17 用户界面 - 日期/时间........................................133 16.18 窗口类型 - 程序窗口.........................................134 16.19 窗口类型 - SQL 窗口.........................................136 16.20 窗口类型 - 测试窗口.........................................138 16.21 窗口类型 - 计划窗口.........................................138 16.22 工具 - 差异.................................................139 16.23 工具 - 数据生成器...........................................139 16.24 工具 - 任务列表.............................................140 16.25 工具 - 重新调用声明.........................................140 6 PL/SQL Developer 7.0 用户指南 16.26 文件 - 目录..................................................141 16.27 文件 - 扩展名................................................142 16.28 文件 - 格式..................................................143 16.29 文件 - 备份..................................................144 16.30 文件 - HTML/XML..............................................145 16.31 其它 - 打印..................................................146 16.32 其它 - 更新与消息............................................147 16.33 首选项集.....................................................148 17. 工具.................................................................................................................................................150 17.1 浏览器.......................................................150 17.2 查找数据库对象...............................................151 17.3 编译无效对象.................................................152 17.4 导出表.......................................................153 17.5 导入表.......................................................156 17.6 导出用户对象.................................................158 17.7 文本导入器...................................................159 17.8 ODBC 导入器..................................................163 17.9 数据生成器...................................................165 17.10 比较用户对象.................................................169 17.11 比较表数据...................................................171 17.12 事件监视器...................................................173 17.13 会话.........................................................174 17.14 自定义工具...................................................176 17.15 测试管理器...................................................181 18. 编辑器.............................................................................................................................................185 18.1 选择功能.....................................................185 18.2 列选择.......................................................185 18.3 指引线.......................................................186 18.4 代码助手.....................................................186 18.5 重新调用语句.................................................187 18.6 专用复制.....................................................188 18.7 前后关系敏感帮助.............................................189 18.8 数据库对象弹出式菜单.........................................189 18.9 解释计划.....................................................189 18.10 宏...........................................................189 18.11 书签.........................................................191 18.12 颜色标记.....................................................191 18.13 代码目录.....................................................192 18.14 代码层次.....................................................193 18.15 超链接导航...................................................193 18.16 导航按钮.....................................................194 PL/SQL Developer 7.0 用户指南 7 18.17 重构.........................................................194 18.18 搜索栏.......................................................195 19. 大数据编辑器..................................................................................................................................197 19.1 编辑纯文本...................................................198 19.2 编辑 RTF.....................................................198 19.3 编辑 XML.....................................................199 19.4 编辑图象.....................................................200 19.5 编辑十六进制数据.............................................200 19.6 调用外部查看器或编辑器.......................................202 20. 查询设计器......................................................................................................................................204 20.1 创建新的 SELECT 语句...........................................204 20.2 修改现有的 SELECT 语句.........................................208 20.3 处理查询定义.................................................208 20.4 查询设计器首选项.............................................209 20.5 查询设计器插件...............................................210 21. PL/SQL 美化器...............................................................................................................................211 21.1 定义选项.....................................................211 21.2 定义规则.....................................................212 21.3 使用美化器...................................................213 22. 模板..................................................................................................................................................214 22.1 模板窗口.....................................................214 22.2 使用模板.....................................................215 22.3 创建和修改模板...............................................216 23. 窗口列表..........................................................................................................................................221 24. 可停放和浮动的工具.....................................................................................................................222 25. 授权..................................................................................................................................................223 25.1 启用授权.....................................................223 25.2 定义授权.....................................................224 25.3 停用授权.....................................................225 26. ORACLE 文件系统 (OFS)...............................................................................................................226 26.1 OFS 管理器...................................................226 26.2 OFS 用法.....................................................228 27. 帮助系统..........................................................................................................................................230 27.1 MS 帮助文件..................................................230 27.2 HTML 手册....................................................230 28. 定制..................................................................................................................................................234 28.1 首选项.......................................................234 28.2 窗口版面.....................................................234 28.3 在线文档.....................................................234 8 PL/SQL Developer 7.0 用户指南 28.4 命令行参数...................................................236 28.5 SQL、PL/SQL、命令、JAVA 和 XML 关键词.........................238 28.6 插件...............