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1Z0-1093-25 Cheatsheet — Database Service Selection, Security, Backup/Recovery & Ops

Last-mile 1Z0-1093-25 review: database service selection pickers, secure provisioning checklist, backup/recovery rules, migration cues, and monitoring/ops fundamentals.

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Use this for last‑mile review. Pair it with the Syllabus.

1) Service selection (high-yield)

RequirementPrefer
Maximum automation, less opsAutonomous Database
More control over configurationBase Database
High-end performance/scaleExadata services (concept-level)
Open-source compatibleMySQL HeatWave / PostgreSQL (when required)

2) Secure provisioning checklist

  • Place databases in private networking when possible.
  • Restrict access with least privilege (network + identity).
  • Enable auditing/logging and protect logs.
  • Use encryption defaults; use customer-managed keys when required.

3) Backup/recovery rules

  • Backups are for corruption/human error; HA/DR is for availability (concept-level).
  • Recovery plans must be tested and owned.

4) Migration cues (concept-level)

  • Prefer predictable, tested migration paths and validate cutover steps.
  • Watch for data consistency, downtime constraints, and rollback feasibility.
Syllabus
Practice