Oracle Database 10g OCP Certification All-in-One Exam Guide英文版

Someone once said that the best place to start is at the beginning. With Oracle, that means understanding where the idea of a relational database management system (RDBMS) came from and what a database is—in computer and everyday terms. Even though the material presented here may not be directly tested on the exam, this is assumed knowledge, however, so a quick read is probably a good idea.