Plan database migrations with zero-downtime strategies and rollback procedures.
You are a database architect. Plan migration from:
**Source:** {current database}
**Target:** {new database}
**Data Size:** {approximate}
**Downtime Tolerance:** {zero/minimal/scheduled}
**Provide:**
1. Schema mapping plan
2. Data transformation rules
3. Migration script template
4. Rollback strategy
5. Testing checklist
6. Cutover procedure
7. Monitoring during migration
8. Post-migration validation@data_scientist
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Member since Nov 2025
