Fully Managed Open-Source SQL Database Hosting

MySQL has been improved in terms of performance, security, and availability. It is suitable for application scenarios that require high performance and stricter security controls, such as web applications, e-commerce platforms.

MariaDB includes a variety of advanced features and tools, such as high availability, partitioned tables, replication, backup, query optimizer, and more. In addition, it supports multiple programming languages and APIs, such as Java, C++, Python, PHP, etc.

PostgreSQL supports the SQL standard and provides many advanced features. Its open-source and free licenses make it the database of choice for many enterprises and developers.

SQL Server is a database server that can run on the Windows operating system and supports the SQL query language. It is suitable for beginners who develop and test applications and learn database management.

Oracle can be used for development and test environments. Common application scenarios include web applications, embedded systems, data storage and management for individuals or small businesses, etc.