30/60/90-day study plan for OCI 2025 Data Science Professional (1Z0-1110-25): recommended hours, weekly schedules, and practice integration.
Most candidates pass with 80–160 focused hours depending on ML background.
| Your time | Recommended timeline |
|---|---|
| 18–22 hrs/week | 30 days (intensive) |
| 10–14 hrs/week | 60 days (balanced) |
| 6–9 hrs/week | 90 days (part‑time) |
| Week | Focus | Output |
|---|---|---|
| 1 | OCI Data Science core objects + data handling | Topics 1–2 + drills |
| 2 | Training + evaluation discipline | Topics 3–4 + drills |
| 3 | Deployments + monitoring + rollback | Topic 5 + mixed sets |
| 4 | Governance + security + review | Topic 6 + readiness |
Open practice: /app/cloud/#/topic-selection/oracle_1z0-1110-25