Written primarily for database administrators who work on z/OS and who are taking the IBM DB2 10 for z/OS Database Administration certification exam (Exam 612), this resource also appeals to those who simply want to master the skills needed to be an effective database administrator of z/OS mainframes. The guide covers all the topics on the exam, including database design and implementation, operation and recovering, security and auditing, performance, and installation and migration. Complete with sample questions and detailed answers—as well as a full-length practice exam—this study guide serves as an essential tool. Programmers will learn how to create, maintain, and administer DB2 10 databases on the z/OS platform and how to implement XML with a DB2 10 database, making them successful database administrators after they pass certification.