几年前已经考过了MySQL 5.6和5.7的OCP，现在开始准备MYSQL 8 OCP 1Z0-908 的考试，网上直播我的备考笔记，考试大纲见：
https://education.oracle.com/mysql-80-database-administrator/pexam_1Z0-908
5.7的通过分数线是58%，现在涨到62%，这种多项选择题要想全对还是有点难的。
从现在开始一个topic一个topic的开始学习，每学习一个topic写一篇blog，让网友监督自己，同时分享知识。
Architecture Configure client connections to the server Understand how MySQL stores data Understand how InnoDB stores data and logs Configure buffers and caches Understand and use the Data Dictionary Security Create user accounts and roles Use authentication plug-ins Control user and role permissions Recognize common security risks Secure MySQL server connections Provide password and login security Secure the MySQL host environment Prevent SQL injection attacks Encrypt MySQL data Configure MySQL Enterprise Firewall Query Optimization Examine how MySQL optimizes queries Analyze queries with MySQL Enterprise Monitor Create indexes to improve server performance Monitor and understand index statistics High Availability Techniques Explain how replication provides high availability and scalability Configure replication Explain the role of the binary log in replication Configure multisource replication Explain the role of replication threads Monitor and troubleshoot replication Describe MySQL InnoDB cluster and Group Replication Configure a MySQL InnoDB cluster Perform an InnoDB cluster recovery Server Installation and Configuration Install and use the MySQL server and client programs Identify the files and folders created during installation Start and stop MySQL Upgrade MySQL Configure MySQL by using options and option files Configure MySQL variables Launch multiple MySQL servers on the same host Monitoring and Maintenance Configure and view MySQL log files Monitor MySQL processes and status Configure MySQL Enterprise Audit Use MySQL Enterprise Monitor to view activity in MySQL Monitor database growth and explain capacity planning Troubleshoot problems with locked resources Backups and Recovery Distinguish between the different types of backup Implement a backup strategy Backup and restore data with MySQL Enterprise Backup Use mysqldump and mysqlpump to perform logical backups Explain when and how to use raw file backups Back up the binary log
