This book is must-have for any developer to build applications that use JDBC on Oracle database. Unlike other JDBC books, this book has been written to complement rather than repeat the contents of Oracle JDBC documentation and the JDBC specification. This book teaches you not only how to write JDBC code, but how to write JDBC code effectively in a step-by-step fashion. Using this book you will learn, among other things: How to efficiently query, insert, update and delete data using JDBC How to exploit knowledge of Oracle fundamentals in building applications What transaction isolation levels, which ones Oracle supports and how to write your transactions effectively on Oracle How to use proxy authentication to make your program more secure way to use Oracle objects and collections effectively in your applications How to deal with the phenomenon of "lost updates" using variants of optimistic and pessimistic locking strageties How to exploit statement caching and connection pooling to improve performance and scalability of your application