MySQL 8.0 Release Notes
MySQL 8.0 Source Code Documentation
Two APIs are available for Ruby programmers developing MySQL applications:
The MySQL/Ruby API is based on the
libmysqlclient
API library. For information on installing and using the MySQL/Ruby API, see Section 28.11.1, “The MySQL/Ruby API”.The Ruby/MySQL API is written to use the native MySQL network protocol (a native driver). For information on installing and using the Ruby/MySQL API, see Section 28.11.2, “The Ruby/MySQL API”.
For background and syntax information about the Ruby language, see Ruby Programming Language.