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Exam Information
Official specifications published by Oracle
Exam Format
120 min
73
62%
Professional
Registration
$245 USD
Pearson VUE or online proctoring
English, Chinese (Traditional) - Taiwan only
Validity
Does not expire (but continuing education recommended)
Earn continuing education credits through Oracle University; Pass latest version of exam when available; Maintain skills through Oracle Learning Subscriptions
1Z0-908 Exam Topics and Domains
1Z0-908 is organized into 7 weighted domains. Expect to work with MySQL Server, InnoDB Storage Engine, MySQL Replication, MySQL InnoDB Cluster, and more.
1
Architecture
14%
Configure client connections to the server
Client connection methodsConnection configuration parameters
- Configure various client connection methods to MySQL server
- Understand connection parameters and their impact on server performance
- Troubleshoot common connection issues
Understand how MySQL stores data
MySQL data directory structureStorage engines
- Understand MySQL data directory structure and file organization
- Compare different storage engines and their use cases
- Navigate the MySQL file system effectively
Understand how InnoDB stores data and logs
InnoDB tablespace architectureInnoDB logging mechanismsInnoDB page structure
- Understand InnoDB tablespace architecture and types
- Explain InnoDB logging mechanisms and their role in ACID compliance
- Describe InnoDB page structure and row formats
Configure buffers and caches
InnoDB buffer poolQuery cache and other caches
- Configure and optimize InnoDB buffer pool settings
- Understand various MySQL caches and their purposes
- Monitor cache efficiency and adjust sizing accordingly
Understand and use the Data Dictionary
MySQL 8.0 Data DictionarySystem tables and views
- Understand the MySQL 8.0 transactional data dictionary architecture
- Query metadata using INFORMATION_SCHEMA and sys schema
- Explain the differences between MySQL 8.0 and earlier metadata storage
2
Server Installation and Configuration
14%
Install and use the MySQL server and client programs
MySQL installation methodsMySQL client programs
- Install MySQL server using various methods
- Use MySQL client programs for administration tasks
- Configure client programs for different scenarios
Identify the files and folders created during installation
MySQL directory structure
- Identify key files and directories in a MySQL installation
- Understand the purpose of each directory
- Locate configuration and log files
Start and stop MySQL
Server startup and shutdownService management
- Start and stop MySQL server using various methods
- Configure MySQL to start automatically on boot
- Troubleshoot server startup issues
Upgrade MySQL
Upgrade proceduresVersion compatibility
- Plan and execute MySQL version upgrades
- Understand upgrade compatibility requirements
- Handle deprecated and removed features during upgrades
Configure MySQL by using options and option files
Option file structureCommand-line options
- Configure MySQL using option files
- Understand option file precedence and syntax
- Use command-line options to override configuration
Configure MySQL variables
System variablesPerformance-related variables
- Configure MySQL system variables dynamically
- Understand the difference between global and session variables
- Make persistent variable changes using SET PERSIST
Launch multiple MySQL servers on the same host
Multi-instance configuration
- Configure and run multiple MySQL instances on the same host
- Manage resources for multiple instances
- Use mysqld_multi for multi-instance management
3
Security
22%
Create user accounts and roles
User account managementRole-based access control
- Create and manage MySQL user accounts
- Implement role-based access control
- Understand user and role hierarchies
Use authentication plug-ins
Authentication pluginsPassword management
- Configure and use various authentication plugins
- Implement password policies and validation
- Set up multi-factor authentication
Control user and role permissions
Privilege managementPrivilege types
- Grant and revoke privileges at various levels
- Implement principle of least privilege
- Understand MySQL 8.0 dynamic privileges
Recognize common security risks
Security vulnerabilities
- Identify common MySQL security risks
- Understand attack vectors and vulnerabilities
- Implement security hardening measures
Secure MySQL server connections
SSL/TLS encryption
- Configure SSL/TLS encryption for MySQL connections
- Require secure transport for specific users
- Manage SSL certificates and keys
Provide password and login security
Login security measures
- Implement login security measures
- Configure failed login tracking and account locking
- Secure password storage and transmission
Secure the MySQL host environment
Host-level security
- Secure the MySQL host operating system
- Set appropriate file and directory permissions
- Use security tools and scripts
Prevent SQL injection attacks
SQL injection prevention
- Understand SQL injection attack mechanisms
- Implement prepared statements and parameterized queries
- Validate and sanitize user input
Encrypt MySQL data
Data-at-rest encryptionData-in-transit encryption
- Implement data-at-rest encryption for InnoDB tables
- Configure data-in-transit encryption
- Manage encryption keys securely
Configure MySQL Enterprise Firewall
Enterprise Firewall configuration
- Install and configure MySQL Enterprise Firewall
- Create and manage firewall allowlists
- Monitor and respond to suspicious activity
4
Monitoring and Maintenance
14%
Configure and view MySQL log files
Error logGeneral query logSlow query logBinary logRelay log
- Configure various MySQL log types
- Analyze log files for troubleshooting and optimization
- Manage log file rotation and retention
Monitor MySQL processes and status
Process monitoringPerformance monitoring
- Monitor MySQL server processes and connections
- Use Performance Schema and sys schema for monitoring
- Identify performance issues through monitoring
Configure MySQL Enterprise Audit
Enterprise Audit configuration
- Install and configure MySQL Enterprise Audit
- Create audit filters and rules
- Manage and analyze audit logs
Use MySQL Enterprise Monitor to view activity in MySQL
Enterprise Monitor features
- Use MySQL Enterprise Monitor for performance analysis
- Configure alerts and advisors
- Monitor replication and backups
Monitor database growth and explain capacity planning
Database growth monitoringCapacity planning
- Monitor database growth and storage consumption
- Perform capacity planning for future needs
- Implement scaling strategies
Troubleshoot problems with locked resources
Lock types and mechanismsLock troubleshooting
- Understand MySQL locking mechanisms
- Identify and resolve lock contention issues
- Use Performance Schema to analyze locks
5
Query Optimization
12%
Examine how MySQL optimizes queries
Query execution processEXPLAIN statement
- Understand MySQL query optimization process
- Use EXPLAIN to analyze query execution plans
- Interpret optimizer decisions and costs
Analyze queries with MySQL Enterprise Monitor
Query Analyzer
- Use MySQL Enterprise Monitor Query Analyzer
- Identify and optimize expensive queries
- Analyze query performance trends
Create indexes to improve server performance
Index types and structuresIndex creation and managementIndex optimization
- Create and manage various types of indexes
- Optimize index design for query performance
- Identify and remove redundant indexes
Monitor and understand index statistics
Index statisticsIndex usage monitoring
- Monitor and maintain index statistics
- Use Performance Schema to analyze index usage
- Identify optimization opportunities through statistics
6
Backups and Recovery
12%
Distinguish between the different types of backup
Backup types
- Understand different backup types and methods
- Choose appropriate backup strategies
- Compare logical vs physical backups
Implement a backup strategy
Backup planning
- Develop comprehensive backup strategies
- Define RPO and RTO requirements
- Implement and test backup procedures
Backup and restore data with MySQL Enterprise Backup
MySQL Enterprise BackupMEB restore operations
- Use MySQL Enterprise Backup for backups and restores
- Perform incremental backups and restores
- Implement point-in-time recovery
Use mysqldump and mysqlpump to perform logical backups
mysqldump utilitymysqlpump utilityLogical backup restore
- Use mysqldump for logical backups
- Use mysqlpump for parallel logical backups
- Restore databases from logical backups
Explain when and how to use raw file backups
Raw file backup methods
- Understand raw file backup use cases
- Perform file system snapshot backups
- Restore from raw file backups
Back up the binary log
Binary log backupPoint-in-time recovery
- Back up and manage binary logs
- Perform point-in-time recovery using binary logs
- Use mysqlbinlog for recovery operations
7
High Availability Techniques
12%
Explain how replication provides high availability and scalability
Replication concepts
- Understand how replication provides high availability
- Explain replication's role in scalability
- Identify appropriate replication topologies
Configure replication
Replication setupReplication configuration parameters
- Configure source and replica servers
- Set up GTID-based replication
- Configure crash-safe replication
Explain the role of the binary log in replication
Binary log in replication
- Understand the binary log's role in replication
- Choose appropriate binary log formats
- Manage binary logs for replication
Configure multisource replication
Multisource replication setup
- Configure multisource replication
- Manage multiple replication channels
- Monitor channel-specific status
Explain the role of replication threads
Replication thread architecture
- Understand replication thread architecture
- Configure multi-threaded replication
- Optimize replication performance with threading
Monitor and troubleshoot replication
Replication monitoringReplication troubleshooting
- Monitor replication status and performance
- Troubleshoot common replication issues
- Recover from replication failures
Describe MySQL InnoDB cluster and Group Replication
Group Replication conceptsInnoDB Cluster architecture
- Understand Group Replication and InnoDB Cluster architecture
- Explain the differences between replication methods
- Describe InnoDB Cluster components and their roles
Configure a MySQL InnoDB cluster
InnoDB Cluster setupCluster management
- Configure MySQL InnoDB Cluster
- Manage cluster instances using AdminAPI
- Configure and deploy MySQL Router
Perform an InnoDB cluster recovery
Cluster failure scenariosCluster recovery procedures
- Understand InnoDB Cluster failure scenarios
- Perform cluster recovery operations
- Handle quorum loss and complete outages
How do I earn this certification?
Passing 1Z0-908 earns the Oracle Certified Professional, MySQL 8.0 Database Administrator certification. It sits in the MySQL Database Administration track.
Next Level Options
1Z0-915 - MySQL HeatWave Implementation Associate Advanced cloud-based MySQL analytics and transaction processing
Alternative Paths
- Oracle Database Administration ITransition to Oracle Database administration
- Oracle Cloud Infrastructure Foundations Associate Cloud infrastructure skills for MySQL deployment
- Oracle Cloud Data Management Foundations Associate Broader data management perspective including MySQL in cloud
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for 1Z0-908 is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
Current Status
- ACTIVE
- Last content update: 2025-01-26
Updates
- MySQL 8.0 to 8.4 Transition 8.4.0 LTS Future exam versions may validate against MySQL 8.4 LTS instead of 8.0 • Release date: 2024-04-30
- MySQL Enterprise Features 8.0.x Exam includes MySQL Enterprise Backup, Audit, Monitor, and Firewall - requires understanding of commercial features
- MySQL Shell and AdminAPI 8.0.x InnoDB Cluster management requires MySQL Shell AdminAPI knowledge
Who should take this exam?
This exam is typically taken by Database Administrators and System Administrators managing MySQL databases.
- 6-12 months of MySQL administration experience
- Understanding of relational database concepts
- Basic SQL knowledge
- Familiarity with Linux/Unix or Windows server administration
- Experience with MySQL installation and configuration