Name Version Platform Evaluation Introduction Mysql5.0 As the world's most popular open source database software, MySQL currently has more than 5 million users, including famous companies like the Associated Press, Google, NASA, Sabre Holdings, Suzuki. Ingres R3 CA's Ingres R3 is a validated powerful database platform that provides users with superior performance, scalability, and manageability, INGRES can do without other applications and data in heterogeneous environments. Sewing integration. PostgreSQL PostgreSQL The earliest starting in the BSD Ingres project, PostgreSQL is a very complex object-relational database management system (ORDBMS), is also the most powerful, most complete and most complex free software database system. Some characteristics do not even have business databases.
