Its most valuable feature is that it's scalable. I can start off with a base of a lot of data and move as much as I want and it's the same as if asked to do a lot of infrastructure changes.
Google Cloud SQL is scalable, supporting various databases like Postgres and MySQL, enhancing versatility. It ensures high availability and performance, improving reliability. It offers flexible storage options, ensuring data safety. There's a need for better connectivity to external data sources and improved monitoring. While support is good, more comprehensive documentation is required for certification preparation. There are concerns about handling large media files stored in Google Cloud.