devops-engineer video for you are managing a multi-tier application on Google Cloud Platform (GCP) and need to update the database schema as part of your
You are managing a multi-tier application on Google Cloud Platform (GCP) and need to update the database schema as part of your deployment process. The application is deployed across multiple environments: development, QA, and production. The schema updates must occur without downtime and should follow Google-recommended practices. How should you proceed?