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• Oracle Database 12c: RAC Administration
• Oracle Database 12c: ASM Administration and
• Oracle Database 12c: Clusterware Administration and
• Oracle Database Learning Subscription

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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.

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

Server Installation and Configuration

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

Security

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

Monitoring and Maintenance

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

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
• 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

High Availability Techniques

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

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

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