Average Salary for Oracle 1Z0-908: MySQL 8.0 Database Exam Certified Professional

Oracle Database administrator roles are in great demand nowadays. The average salaries of Oracle 1Z0-908 Exam Certified professional in:

• Europe - 80,000 Euro
• India - 69,96,000 16,42,330 INR
• England - 71,000 POUND
• United State - 94,000 USD

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

Security

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

Monitoring and Maintenance

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

Query Optimization

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

Backups and Recovery

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

High Availability Techniques

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