Google Cloud SQL is a fully managed relational database service offered by Google Cloud Platform. It enables you to set up, maintain, and administer your relational databases on Google Cloud with ease. Cloud SQL supports MySQL, PostgreSQL, and SQL Server, allowing you to choose the database engine that best fits your application requirements. By handling administrative tasks such as patches, updates, backups, and replicas, Cloud SQL allows you to focus on building and scaling your applications.

It manages your databases by abstracting the underlying infrastructure, which makes it easier to provision and maintain databases without worrying about hardware or software management. It integrates seamlessly with other Google Cloud services such as BigQuery, App Engine, Compute Engine, and Kubernetes Engine. Cloud SQL also supports popular third-party integrations like MongoDB and Confluent, providing you with extensive support.

Cloud SQL is ideal for businesses that require a managed solution for their relational databases, regardless of their size and structure. It is particularly useful when you need to migrate existing databases to the cloud, maintain high availability and durability, and ensure secure storage and access to your data. Cloud SQL caters to various workloads and use cases, including web applications, mobile applications, analytics, machine learning, and more.