sqlite3 vs mysql: What are the differences?

What is sqlite3? This module allows Ruby programs to interface with the SQLite3 database engine. This module allows Ruby programs to interface with the SQLite3 database engine (http://www.sqlite.org). You must have the SQLite engine installed in order to build this module. Note that this module is only compatible with SQLite 3.6.16 or newer.

What is mysql? This is the MySQL API module for Ruby. This is the MySQL API module for Ruby. It provides the same functions for Ruby programs that the MySQL C API provides for C programs. This package is offered as gem for easy installation using RubyGems. It wraps unmodified tmtm's mysql-ruby extension into a proper gem. Please note that tmtm (Tomita Mashahiro) has deprecated development of this extension and only update it for bug fixes.

sqlite3 and mysql belong to "RubyGems Packages" category of the tech stack.

sqlite3 and mysql are both open source tools. It seems that sqlite3 with 597 GitHub stars and 169 forks on GitHub has more adoption than mysql with 52 GitHub stars and 19 GitHub forks.

Tellow, Myndr, and Mashweb.Club are some of the popular companies that use sqlite3, whereas mysql is used by Readable, AlternateCMS, and *. sqlite3 has a broader approval, being mentioned in *31 company stacks & 18 developers stacks; compared to mysql, which is listed in 3 company stacks and 4 developer stacks.