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*PostgreSQL*も
Database Management System
★ 17.2K 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.
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*MariaDB*も
Community-developed open SQL server
★ 5.9K 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.
確かに、 Oracleは素晴らしいです。
しかし、これらのオープンソースの代替を考慮しましたか?
それらは無料で、自己ホスト可能で、コミュニティ主導です。
自分で確認してください: PostgreSQL , MariaDB .