Following are some of the best Oracle books for developers. The only thing that gets DBA’s more upset than making a mistake that compromises a production database is when a developer makes the mistake.
Even if it is merely culture-driven, developers need to be on top of their game when it comes to database-reliant enterprise applications. It only makes you that much better. Here are some good places to start:
Cost-Based Oracle Fundamentals – Jonathan Lewis
Expert Oracle Database Architecture: 9i and 10g Programming Techniques and Solutions – Thomas Kyte
Effective Oracle by Design – Thomas Kyte