If you haven't already, install a database system, such as MySQL or PostgreSQL.

如果您还没有安装数据库系统，比如MySQL或PostgreSQL，请安装一个。

youdao

Some examples include the Apache web server, database systems, such as mysql and postgresql, and interpreted languages, such as perl and python.

例如 Apache web 服务器、数据库系统（比如 mysql 和 postgresql）以及解释语言（perl 和 python）。

youdao

Some recent commits have also improved the support of PostgreSQL and MySQL.

最近提交的更新还改善了对PostgreSQL和MySQL的支持。

youdao