Instrument mysql2 queries

Provides a class suitable to be used as a model, that includes connection management, variable interpolation, object coercion and helper methods to support using direct MySQL statements for database interaction.

mysql2 and mysql2-cs-bind extension to bind response to nested Hash

Filtering framework for Mysql2.

mysql2-replication is an extension of [mysql2 gem](https://rubygems.org/gems/mysql2). It adds support for replication client feature based on `libmariadb.so` that is a MySQL/MariaDB client library provided by MariaDB.

oreore mysql2 wrapper class

Simple mysql2 wrapper for common tasks

Monitoring ALTER TABLE Progress for InnoDB Tables Using Performance Schema.

A Rails plugin that adds methods to ActiveRecord::Migration to allow columns and indexes to be added to and removed from large tables with millions of rows in MySQL, without leaving processes seemingly stalled in state "copy to tmp table".

Do some work on a MySQL DB to find possible errors

MySQL Collector is a Ruby Gem and command line tools, written for UNIX-like operating systems. Collect MySQL Metrics and send them to InfluxDB

查找mysql数据库中重复和冗余索引

Gives you binary mysqlexport and Ruby classes to export mysql tables into csv and json files

A lightweight framework to provide managers for working with MySQL.

Distributed locking using mysql get_lock().

Queries the replication health of a MySQL server. A health monitor for MySQL replication. This can be used in tandem with applications like HAProxy to check the health of replication, and load balance across read slaves.

Provide MySQL max values like integer max.

mysqlnoio allows you to execute commands while MySQL is locked.

mysql partition management ttools

mysql-pause is a proxy server to pause a query to MySQL.