Abstract: X-Base PL/SQL is a procedure-oriented database programming language that can be used in the server-side of database application development. The design and implementation of X-Base PL/SQL engine with exception handler are discussed. The Base PL/SQL is compatible with Oracle PL/SQL for the sake of Oracle’s product is the fact standard in the database product market, further more Oracle is widely used and familiar to the application developers all over the world.

Key words: Symbol table, Exception handler, PL/SQL engine, Exception propagation

摘要： X-Base PL/SQL是一种过程式数据库编程语言，常用于数据库服务器端应用程序的开发。该文讨论了X-Base PL/SQL引擎中异常处理模块的设计思想和实现技术。鉴于Oracle数据库管理系统是数据库产品事实上的标准，还有其在全球的广泛应用，X-Base PL/SQL需要兼容Oracle PL/SQL 8i的异常处理机制。

关键词: 符号表, 异常处理器, PL/SQL引擎, 异常传播

CLC Number: 

• TP311.131