Thoroughly updated for Oracle Database 11gR2, this book has been the leading reference on Oracle's powerful procedural language for more than a decade. Through 12 years and four previous editions, this comprehensive guide has a long heritage of solid technical content, community admiration, and sales. Like its predecessors, the updated fifth edition contains language syntax, features, best practices, and optimization advice. It provides extensive code, ranging from simple examples to complex and complete real applications.