GCP Cloud SQL Overview Cloud SQL is Google Cloud's managed relational database service for MySQL, PostgreSQL, and SQL Server. It handles patches, upgrades, replication, automated backups, point-in-time recovery, and HA failover so applications focus on schema and queries instead of database administration. Instructions Core Concepts - Instance — a managed VM running MySQL/Postgres/SQL Server with attached storage - High Availability (HA) — synchronous replica in another zone with automatic failover - Read replica — async read-only copy for scaling reads or cross-region DR - Cloud SQL Auth Pro…