Google Cloud SQL — Complete Guide
Google Cloud SQL — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of MySQL Tutorial on Toolliyo Academy.
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MySQL Tutorial · Lesson 88 of 100
Google Cloud SQL
Basics ✓ → Advanced
Advanced · 2 — Production · ~10 min · MySQL — Security & Cloud MySQL
What is this?
Cloud SQL for MySQL is GCP managed instance with automatic backups, replicas, and private IP via VPC. Connect through instance connection name or public IP with authorized networks.
Why should you care?
DataFlow on GCP BigQuery pipeline exports orders from Cloud SQL via Datastream or scheduled export — same cloud ecosystem.
See it live — copy this example
Run in MySQL Workbench or the mysql CLI.
CREATE USER 'dataflow_app'@'%' IDENTIFIED BY 'StrongPassFromSecretManager';
GRANT SELECT, INSERT, UPDATE, DELETE ON DataFlow.* TO 'dataflow_app'@'%';
-- Cloud SQL Auth proxy local:
-- cloud_sql_proxy -instances=PROJECT:REGION:INSTANCE=tcp:3306What happened?
- GRANT SQL identical.
- Auth proxy handles TLS to Cloud SQL without opening wide public IP.
- Use Secret Manager for password in GKE deployments.
Practice next
- Create Cloud SQL MySQL 8 instance in GCP console.
- Add your IP to authorized networks or use proxy.
- Create DataFlow database and app user.
- Create read replica; run heavy SELECT there.
- Point Cloud Monitoring alert on CPU > 80%.
Remember
GCP managed MySQL + VPC + backups. Auth proxy recommended for secure connect. Read replicas in same or different region.
DataFlow on GCP
GKE microservices use proxy sidecar to Cloud SQL in asia-south1.
Outcome: No plaintext password in pod YAML.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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