In today’s data-driven enterprises, PL/SQL skills are critical in creating, maintaining and designing Oracle databases to support any environment or data type, deliver exceptional scalability, and achieve unparalleled performance for operational, analytical, and other mixed workloads. With this comprehensive update for PL/SQL 21c, Oracle PL/SQL by Example, 6th Edition is the most current PL/SQL guide in print. Updated throughout, it covers everything from basic syntax and program control through the latest optimization and security enhancements. Step by step, Oracle PL/SQL by Example, 6th Edition walks you through every key task, helping you master Oracle 21c PL/SQL programming techniques on your own. This book’s approach fully reflects Elena Rakhimov’s award-winning experience teaching PL/SQL to professionals at Columbia University. 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.