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1Z0-908 Overview — MySQL 8.0 Database Administrator

What 1Z0-908 covers: MySQL 8.0 administration, secure configuration, users/privileges, InnoDB operations, backup/recovery, replication/HA, and performance troubleshooting.

MySQL 8.0 Database Administrator focuses on operating MySQL reliably and securely in production.

What you should be able to do

  • Install and configure MySQL 8.0, interpret key mysqld settings, and apply safe defaults.
  • Manage users/roles/privileges and secure connections (TLS, authentication plugins, least privilege).
  • Operate InnoDB effectively: sizing, indexing basics, transactions, and common failure modes.
  • Design backup and recovery plans (logical/physical) that meet RPO/RTO requirements.
  • Configure replication and explain trade-offs (async vs semi-sync, GTID usage, failover considerations).
  • Diagnose performance issues using logs, EXPLAIN, performance_schema, and basic capacity signals.

Efficient prep strategy

  1. Use the Syllabus as your checklist.
  2. Practice hands-on: create users, configure replication in a lab, and rehearse restore drills.
  3. Use the Cheatsheet for last‑mile commands and pitfalls.