The OCA Oracle Database 12c Installation and Administration Exam Guide (Exam 1Z0-062) by John Watson is a comprehensive resource designed to help candidates prepare for the Oracle Certified Associate (OCA) Oracle Database 12c Installation and Administration exam. This guide offers complete coverage of all exam objectives, including topics such as installing and upgrading Oracle Database software, managing the database instance, configuring the Oracle network environment, managing database storage structures, administering user security, managing undo data and data concurrency, implementing Oracle Database auditing, performing database maintenance, managing performance and tuning SQL, managing resources using Oracle Database Resource Manager, automating tasks, moving data, and performing backup and recovery. Each chapter features challenging exercises, a certification summary, a two-minute drill, and a self-test to reinforce the topics presented. The electronic content includes over 185 practice exam questions with detailed answers and explanations, a test engine that provides custom exams by chapter or by domain, and a PDF copy of the book for on-the-go studying.