-   PostgreSQL 도Database Management System ★ 18.8K Database License: PostgreSQLPostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. 
-   MariaDB 도Community-developed open SQL server ★ 6.5K Database License: GPL-2.0MariaDB was designed as a drop-in replacement of MySQL(R) with more features, new storage engines, fewer bugs, and better performance. 
확실히, Oracle은 멋집니다.
하지만 이 오픈 소스 대안을 고려해 보셨나요?
무료이며, 자체 호스팅이 가능하며, 커뮤니티가 주도합니다.
직접 확인하십시오: PostgreSQL , MariaDB .