ActiveRecord adapter for Crate, the distributed database for Docker.

Opt-in validations for your ActiveRecord models based on your MySQL database constraints, including text field size, UTF-8 encoding issues, and NOT NULL constraints.

Batch up your ActiveRecord "touch" operations for better performance. ActiveRecord::Base.delay_touching do ... end. When "end" is reached, all accumulated "touch" calls will be consolidated into as few database round trips as possible.

This gem automatically logs SQL EXPLAIN of every queries. You can check naturally every SQL EXPLAIN from development log, without manually executions.

Allow ActiveRecord to share a connection to multiple databases on the same host

ActiveRecord extension to allow partitioning ids into regions, for merge replication purposes

Install this gem and require 'teradata' with JRuby on Rails.

ActiveRecord integration for KSUIDs using the ksuid gem

It is a library that performs extended verification when an error occurs when executing SQL.

This gem adds comments to the SQL to indicate where the SQL parts are constructed.

Gives a hook on MySQL warnings that allow you to either raise or log them.

PostgreSQL PGCrypto support for ActiveRecord models.

Active Record support for PostgreSQL JSON type

citext support for rails

A whole bunch of extensions the ActiveRecord PostgreSQL adapter.

Count total number of ActiveRecord queries and row counts inside a block

This gem provides the Rails 3 with database adapter for AWS RedShift.

This gem changes ActiveRecord's query logs to be compatible with the sqlcommenter format.

Create ActiveRecord relations from UNIONs

Touch `updated_at` by default with calls to `update_column(s)` and `update_all`