PL/SQL is Oracle’s procedural extension to SQL, the standard database access language. A full-fledged programming language, PL/SQL offers modern software engineering features such as data encapsulation, overloading, exception handling, and information hiding. PL/SQL also offers seamless SQL access, tight integration with the Oracle server and tools, portability, and security.
This guide explains all the concepts behind PL/SQL and illustrates every facet of the language. Good programming style is stressed throughout and supported by numerous examples. Using this guide, you learn PL/SQL quickly and effectively, and you learn why PL/SQL is ideal for building enterprise-wide applications.