The Oracle 1Z0-908 exam validates your expertise as a MySQL 8.0 Database Administrator within the Oracle Database ecosystem. This certification demonstrates your ability to design, deploy, and maintain MySQL 8.0 environments in production settings. Whether you're advancing your career in database administration or seeking formal recognition of your hands-on skills, this exam measures both theoretical knowledge and practical decision-making. This page provides a clear roadmap of the exam's scope, question formats, and effective study strategies to help you prepare confidently.
Use this topic map to guide your study for Oracle 1Z0-908 (MySQL 8.0 Database Administrator) within the Oracle Database path.
The 1Z0-908 exam uses multiple question formats to assess both conceptual understanding and applied reasoning. Questions progress in difficulty and require you to think through real-world scenarios, not just recall isolated facts.
Questions emphasize practical application; you'll encounter situations that mirror real database administration challenges, making hands-on experience invaluable for success.
Effective preparation requires a structured approach that maps each topic to dedicated study time and reinforces connections between concepts. Aim for 4-6 weeks of consistent study, combining reading, hands-on practice, and self-assessment.
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Security, Monitoring and Maintenance, and Backups and Recovery tend to represent significant portions of the exam because they directly impact production reliability and compliance. However, all seven topics are tested, so balanced preparation across all domains is essential. Focus extra effort on areas where you have less hands-on experience.
In practice, these areas overlap continuously. For example, you install and configure the server (Installation and Configuration), set up user accounts and permissions (Security), monitor performance metrics (Monitoring and Maintenance), optimize slow queries (Query Optimization), implement backups (Backups and Recovery), and replicate data to standby systems (High Availability). Understanding these connections helps you answer scenario-based questions more effectively.
Hands-on experience with MySQL 8.0 is highly valuable; aim to practice installing a MySQL instance, configuring basic parameters, creating users with specific privileges, running EXPLAIN on queries, executing a backup and recovery, and setting up replication. Even a single test environment where you work through these tasks will significantly boost your confidence and understanding.
Frequent errors include confusing MySQL-specific syntax with Oracle SQL, misunderstanding replication topology limitations, overlooking security implications of privilege grants, and misinterpreting EXPLAIN output. Additionally, some candidates rush through scenario questions without fully reading the business context, leading to suboptimal choices. Slow down, read completely, and verify your answer against all stated requirements.
In the final week, avoid learning new material; instead, review weak topic areas using your practice questions and notes. Take one full-length timed practice test mid-week, then spend the remaining days reviewing explanations and doing targeted drills on problem areas. Get adequate sleep the night before the exam, and on exam day, read each question carefully and flag uncertain items for review at the end.
Which four connection methods can MySQL clients specify with the --protocol option when connecting to a MySQL server? (Choose four.)
Which three actions are effective in capacity planning? (Choose three.)
The data in this instance is transient; no backup or replication will be required. It is currently under performing.
The database size is static and including indexes is 19G.
Total system memory is 32G.
After profiling the system, you highlight these MySQL status and global variables:

The OS metrics indicate that disk is a bottleneck. Other variables retain their default values.
Which three changes will provide the most benefit to the instance? (Choose three.)