What it is: The bread-and-butter Relational Database service. It runs standard database engines: MySQL, PostgreSQL, and SQL Server. It handles backups, patching, and failover for you. It is the go-to choice for most standard web applications (e.g., Wordpress, custom internal tools).
Equivalents:
AWS: Amazon RDS (Relational Database Service)
Azure: Azure SQL Database or Azure Database for MySQL/PostgreSQL
