Oracle MySQL 8.0 Database Administrator

Exam format

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Oracle MySQL 8.0 Database Administrator Exam Format

1Z0-908

Everything the official exam blueprint specifies: question count, time limit, scoring and the weight each domain carries. The Oracle My 8.0 Database Administrator certification (1Z0-908) is a professional-grade credential that validates the technical proficiency required to maintain robust, scalable, and secure My database environments. As businesses increasingly rely on open-source technology, this exam ensures that administrators can handle complex architectural tasks, optimize query performance, and implement rigorous security protocols. The exam covers everything from the foundational installation and configuration of the My server to advanced performance tuning using the Performance Schema and implementing sophisticated backup and disaster recovery strategies to ensure high availability and data integrity in enterprise settings.

73 questions
120 min
62% to pass
8 domains

Exam facts at a glance

What we know about this exam, and where the information comes from.

SpecificationValue
Questions73
Time limit120 minutes (99s per question)
Passing score62%
Domains8
LevelAssociate
Question bank here73 questions
SourceCertilum's own record — the vendor does not publish this figure

Official domain weights

The percentage of the exam each domain carries. Weight your revision by these numbers, not by what you find hardest.

DomainWeightTopicsPractice Qs
Backup and Recovery18%
  • Logical backups (mysqldump, mysqlpump)
  • Physical backups (MySQL Enterprise Backup, Percona XtraBackup)
  • Point-in-time recovery (binary log)
  • +1 more
13
Performance Optimization18%
  • Query optimization and EXPLAIN
  • Slow query log analysis
  • Performance Schema
  • +2 more
13
MySQL Server Architecture12%
  • Server architecture overview
  • Memory structures (buffer pool, query cache)
  • Storage engines (InnoDB, MyISAM)
  • +1 more
9
Installation and Configuration8%
  • Server installation methods
  • Configuration files (my.cnf / my.ini)
  • System variables and options
  • +1 more
6
Security and User Administration12%
  • User account management
  • Privilege systems and grants
  • Roles and role-based access
  • +2 more
9
Replication and High Availability10%
  • Binary log (binlog) configuration
  • GTID replication
  • Group Replication
  • +2 more
7
Database Design and Implementation10%
  • Data modeling and normalization
  • Normal forms
  • Schema design best practices
  • +1 more
7
Storage Engines and Table Management12%
  • InnoDB internals (tablespace, redo log, doublewrite buffer)
  • Table optimization and defragmentation
  • Data types and character sets
  • +1 more
9

The heaviest domain is Backup and Recovery at 18%, and that is where lost points cost you the most. Certilum scores you per domain so you can see the difference between a knowledge gap and a formatting problem.

Note from the vendor record: Technology exam under 'Oracle Cloud Infrastructure and Technology Exams' at USD 245 per single attempt (6 months). Base Exam Price $245 / Delta $125. (Oracle MySQL 8.0 Database Administrator) Price varies by region. Official exam page

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