MySQL 5.7 Reference Manual Including MySQL NDB Cluster 7.5 and NDB Cluster 7.6
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 26.11.1, “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 26.11.2, “The Ruby/MySQL API”.
For background and syntax information about the Ruby language, see Ruby Programming Language.