Cloud SQL

1. Cloud SQL overview

   Managed MySQL, PostgreSQL and SQL Server and what Google manages for you.

2. Instances and editions

   Instance settings, machine types and editions.

3. Connecting to instances

   Cloud SQL Auth Proxy, private IP, public IP and connectors.

4. High availability

   High availability for Cloud SQL: Regional instances with automatic failover, the key concepts and settings to know.

5. Read replicas

   Read replicas, cross-region replicas and replication behavior.

6. Backups and recovery

   Automated and on-demand backups and point-in-time recovery.

7. Authentication and IAM

   Authentication and IAM for Cloud SQL: IAM roles and IAM database authentication, the key concepts and settings to know.

8. Authorized networks and network access

   Authorized networks and controlling which clients can reach an instance.

9. Maintenance

   Maintenance for Cloud SQL: Maintenance windows and updates, the key concepts and settings to know.

10. Monitoring

    Monitoring for Cloud SQL: Metrics, logs and Query Insights, the key concepts and settings to know.

11. Quotas and limits

    Quotas and limits for Cloud SQL: Instance, connection and storage limits, the key concepts and settings to know.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.