Topics of Oracle 1Z0-908: MySQL 8.0 Database Exam

The Oracle 1Z0-908 exam tests the abilities and knowledge of the candidates by checking the following objectives:

Architecture

• Configure client connections to the server
• Understand how InnoDB stores data and logs
• Understand how MySQL stores data
• Configure buffers and caches
• Understand and use the Data Dictionary

Server Installation and Configuration

• Identify the files and folders created during the installation
• Start and stop MySQL
• Launch multiple MySQL servers on the same host
• Configure MySQL variables
• Upgrade MySQL
• Install and use the MySQL server and client programs
• Configure MySQL by using options and option files

Security

• Provide the password and login security
• Configure MySQL Enterprise Firewall
• Control user and role permissions
• Use authentication plug-ins
• Create user accounts and roles
• Recognize common security risks
• Secure MySQL server connections
• Prevent SQL injection attacks
• Encrypt MySQL data
• Secure the MySQL host environment

Monitoring and Maintenance

• Configure and view MySQL log files
• Monitor database growth and explain capacity planning
• Use MySQL Enterprise Monitor to view activity in MySQL
• Configure MySQL Enterprise Audit
• Monitor MySQL processes and status
• Troubleshoot problems with locked resources

Query Optimization

• Monitor and understand index statistics
• Create indexes to improve server performance
• Analyze queries with MySQL Enterprise Monitor
• Examine how MySQL optimizes queries

Backups and Recovery

• Explain when and how to use raw file backups
• Back up the binary log
• Use mysqldump and mysqlpump to perform logical backups
• Implement a backup strategy
• Distinguish between the different types of backup
• Backup and restore data with MySQL Enterprise Backup

High Availability Techniques

• Configure replication
• Explain how replication provides high availability and scalability
• Describe MySQL InnoDB Cluster and Group Replication
• Explain the role of replication threads
• Explain the role of the binary log in replication
• Perform an InnoDB cluster recovery
• Configure multisource replication
• Monitor and troubleshoot replication
• Configure a MySQL InnoDB cluster

Reference: https://education.oracle.com/mysql-80-database-administrator/pexam_1Z0-908

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Oracle 1Z0-908: MySQL 8.0 Database Administrator Administration Exam assesses the abilities of the Database Administrators and System Administrators who have at least 1 year of experience in RAC and Grid Infrastructure. The candidates should have the ability to install, manage, tracking, tuning, and restoring RAC databases, cluster, and Oracle Automatic Storage Management (ASM). They should have a good understanding of the architectures of the ASM, Clusterware, and Oracle RAC databases. They should also know how to install, setup, backup, and recovery monitoring and tuning of these components.

Oracle Real Application Clusters (RAC) in database computing is a choice for Oracle Database software developed by Oracle Corporation, it provides clustering software and high availability in Oracle database environments. With the Enterprise Version, Oracle Corporation includes RAC, provided the nodes are clustered using Oracle Clusterware. Oracle RAC allows several machines when accessing a single database, to run Oracle RDBMS software simultaneously, offering to cluster.

The Oracle Grid Infrastructure for an independent server is the Oracle software that offers system support for a database including the file system, volume management, and automation of the restart process. If you want to utilize the Oracle restart or Oracle Automatic Storage Management (ASM) services, you have to install Oracle grid infrastructure before installing Oracle Database.