This page lists the main features of Cloud SQL and indicates which database engines support these features.
The checkmarks in Table 1 contain links to related topics.
Table 1. Cloud SQL features
| MySQL | PostgreSQL | SQL Server | ||
|---|---|---|---|---|
| Backups and high availability | Backups | ✓ | ✓ | ✓ |
| Point-in-time recovery (PITR) | ✓ | ✓ | ||
| High availability | ✓ | ✓ | ✓ | |
| Cloning | Cloning | ✓ | ✓ | ✓ |
| Data migration | Data migration to external servers | ✓ | ||
| Logs | Audit logging | ✓ | ✓ | ✓ |
| Instance logging | ✓ | ✓ | ✓ | |
| Maintenance windows | Maintenance windows | ✓ | ✓ | ✓ |
| Maintenance notifications | ✓ | ✓ | ✓ | |
| Proxy | Cloud SQL Auth proxy support | ✓ | ✓ | ✓ |
| Replication | Read replicas | ✓ | ✓ | |
| Cross-region read replicas | ✓ | ✓ | ||
| External read replicas | ✓ | |||
| Replication from an external server | ✓ | |||
| Security | Customer-managed encryption keys (CMEK) | ✓ | ✓ | ✓ |
| Connection organization policies | ✓ | ✓ | ✓ | |
| VPC Service Controls | ✓ | ✓ | ✓ |