Amazon.com, Azure, Databases, MySQL, Oracle, SQL Server DB-Engines.com ranks hundreds of database management systems July 11, 2018 savepoin DB-Engines.com publishes lists of database management systems (DBMS) ranked by category, including: Complete ranking of all DBMS Relational DBMS Open Source vs. Commercial DBMS Key-value Stores DBMS Document Stores DBMS Graph DBMS All DBMS by name