Oracle Pl/SQL by Example 6/e

Using PL/SQL for Oracle Database 21c, you can build solutions that deliver unprecedented performance and efficiency in any environment, including the cloud. Oracle PL/SQL by Example, Sixth Edition, teaches all the PL/SQL skills you'll need, through real-world labs and extensive examples. Now fully updated for the newest version of PL/SQL 21c, it covers everything from basic syntax and program control through the latest optimization and tuning enhancements.

Step by step, you'll walk through every key task, mastering today's most valuable Oracle 21c PL/SQL programming techniques on your own. Start by downloading the supporting schema and exercises from informit.com/title/9780138062835. Once you've done an exercise, the author doesn't just present the answer: She offers an in-depth discussion introducing deeper insights and modern best practices.

This book's approach fully reflects the author's award-winning experience teaching PL/SQL to professionals at Columbia University in New York City. New database developers and DBAs can use it to get productive fast; experienced PL/SQL programmers will find it to be a superb Oracle Database 21c solutions reference.

New in This Edition

• Updated code examples throughout
• New iteration controls for the FOR LOOP statement, such as stepped range, multiple iterations, collection, and cursor iterations
• Enhancements for PL/SQL qualified expressions
• Performance enhancements for PL/SQL functions, such as SQL macro, and better control of the result cache

Other Topics Covered

• Mastering basic PL/SQL concepts and language fundamentals, and understanding SQL's role in PL/SQL
• Using conditional and iterative program controls
• Efficiently handling errors and exceptions
• Working with cursors and triggers, including compound triggers
• Using stored procedures, functions, and packages to write modular code that other programs can run
• Working with collections, object-relational features, native dynamic SQL, bulk SQL, and other advanced features

使用 PL/SQL for Oracle Database 21c，您可以在任何環境中（包括雲端）構建提供前所未有的性能和效率的解決方案。第六版的《Oracle PL/SQL by Example》通過實際案例和大量示例教授您所需的所有 PL/SQL 技能。現在已完全更新為最新版本的 PL/SQL 21c，涵蓋從基本語法和程序控制到最新的優化和調優增強功能。

逐步進行，您將獨自掌握當今最有價值的 Oracle 21c PL/SQL 編程技術的每個關鍵任務。首先從 informit.com/title/9780138062835 下載支持的模式和練習。完成練習後，作者不僅提供答案，還提供深入討論，介紹更深入的見解和現代最佳實踐。

本書的方法完全反映了作者在紐約哥倫比亞大學教授 PL/SQL 經驗的獲獎經驗。新的數據庫開發人員和 DBA 可以使用它快速提高生產力；有經驗的 PL/SQL 程序員將發現它是一個出色的 Oracle Database 21c 解決方案參考。

本版的新功能包括：

- 更新了整個代碼示例
- FOR LOOP 語句的新迭代控制，例如步進範圍、多次迭代、集合和游標迭代
- PL/SQL 限定表達式的增強功能
- PL/SQL 函數的性能增強，例如 SQL 宏和更好的結果緩存控制

其他涵蓋的主題包括：

- 掌握基本的 PL/SQL 概念和語言基礎，並了解 SQL 在 PL/SQL 中的作用
- 使用條件和迭代程序控制
- 高效處理錯誤和異常
- 使用游標和觸發器，包括複合觸發器
- 使用存儲過程、函數和包來編寫其他程序可以運行的模塊化代碼
- 使用集合、物件關聯特性、本地動態 SQL、批量 SQL 和其他高級功能