About This Study Plan
This 90-day study plan breaks the PCDBE (Database Engineer) exam preparation into 3 focused study sessions with 12 actionable tasks. The plan covers all 5 exam domains — Designing and Planning, Managing and Administering, Migrating Data, Monitoring and Troubleshooting, Security and Compliance — ensuring complete coverage. Comprehensive 90-day plan for the Google Professional Cloud Database Engineer exam.
Prerequisites
- Basic SQL knowledge
- 1–2 hours per day
Study Schedule
- Weeks 1–2: Database fundamentals — ACID, CAP theorem, normalization
- Week 3: Cloud SQL deep dive — setup, HA, backups, and replicas
- Week 4: Spanner basics — architecture and global consistency
- End of month: Running Cloud SQL and Spanner instances
- Week 5: Firestore document modeling and query patterns
- Week 6: Bigtable architecture, schema design, and performance
- Week 7: AlloyDB, Memorystore, and database selection criteria
- Week 8: Migration strategies and Database Migration Service
- Week 9: Monitoring, tuning, and DR planning
- Week 10: Security, encryption, and cost optimization
- Week 11: Practice exam #1 + review
- Week 12: Practice exam #2, selection drills, and final prep
Study Tips
This exam requires hands-on experience with multiple database types.
Build a project that uses at least Cloud SQL, Firestore, and Bigtable.
Understand cost implications of each database choice.
Recommended Google Cloud Study Resources
Supplement this study plan with Google Cloud Skills Boost, which provides structured learning paths aligned to each certification. The Google Cloud documentation is exceptionally detailed and frequently referenced in exam questions. Take advantage of the free $300 credit for new GCP accounts to build real projects during your study period.
Ready to Practice?
Put your study plan into action with Database Engineer practice questions.