Introduction to Oracle 1Z0-908: MySQL 8.0 Database Administrator Exam

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.

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

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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

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

Server Installation and Configuration

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

Security

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

Monitoring and Maintenance

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

Query Optimization

• Monitor and understand index statistics
• Analyze queries with MySQL Enterprise Monitor
• Create indexes to improve server performance
• 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
• Backup and restore data with MySQL Enterprise Backup
• Distinguish between the different types of backup
• Implement a backup strategy

High Availability Techniques

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

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Oracle 1Z0-908 Exam Syllabus Topics: