Database Schema Comparison Tool

Compare these two database schemas:

**Source Schema:**
```sql
{{SOURCE_SCHEMA}}
```

**Target Schema:**
```sql
{{TARGET_SCHEMA}}
```

**Database System:** {{DATABASE_SYSTEM}}
**Sync Direction:** {{SYNC_DIRECTION}}

Please provide:
1. Detailed difference report:
   - Added objects
   - Removed objects
   - Modified objects (column changes, constraint changes)
2. Synchronization script (safe to run)
3. Destructive changes warnings
4. Data migration needs
5. Dependency order for changes
6. Rollback script
7. Testing procedures
8. Risk assessment
9. Step-by-step deployment guide