Redirect all SELECT queries to a separate connection within a block

This gem adds custom block expectation matchers for RSpec, such as `expect { ... }.to create_a_new(User)`

Make ActiveRecord queries cacheable throughout your apps!

A new way to manage multi-tenant applications based on multiples databases

ActiveRecord adapter for Crate, the distributed database for Docker.

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.

A safe way to accept user parameters and query against your ActiveRecord Models

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

Include ActiveRecord::Immutable in your ActiveRecord models to make your tables append-only.

A library for bulk inserting data using ActiveRecord and SQL Server.

Install this gem to use AS/400 with JRuby on Rails.

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

Adds a :uuid column to ActiveRecord MySQL2 Adapter. Store UUIDs as 16 bytes binary column.

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

Implements the Null Object Pattern for nil values in ActiveRecord associations.

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

PostgreSQL PGCrypto support for ActiveRecord models.

Allows polymorphic loading of has_many through objects

This gem adds support to the ActiveRecord (3.x and 4.x) for composite types.