MySQL is an open-source relational database management system (RDBMS). It is widely used for web applications and is a central component of the LAMP open-source web application software stack.
PostgreSQL is a powerful, open-source object-relational database system known for its reliability, robustness, and support for advanced features. It is commonly used in large-scale applications and enterprise environments.
SQLite is a self-contained, serverless, zero-configuration, transactional SQL database engine. It is embedded directly into the end program and requires minimal setup, making it ideal for small to medium-sized applications.
Azure SQL Database is a fully managed relational database service provided by Microsoft Azure. It offers high availability, built-in intelligence, and scalable performance with built-in security and compliance features.
Amazon Relational Database Service (RDS) is a managed database service provided by Amazon Web Services (AWS) that makes it easy to set up, operate, and scale a relational database in the cloud. It supports several database engines including MySQL, PostgreSQL, Oracle, SQL Server, and MariaDB.
Google Cloud SQL is a fully-managed relational database service provided by Google Cloud Platform. It supports popular database engines like MySQL, PostgreSQL, and SQL Server, offering high availability, scalability, and ease of management.