gem install universe-db

Unreliable helps uncover bugs in Rails apps that rely on ambiguous database ordering. Installing it makes both your app and your test suite more robust.

Class table inheritance for ActiveRecord based on updatable views in the database that join parent and children tables

A Ruby Gem for you to write update queries.

This gem adds to ActiveRecord a method update_by_case that allows you to update multiple records based on case values on a single database hit.

postgres database extension to increment/decrement values safely and get back result.

This rails engine configures necessary settings to enable native UUID primary key in rails + postgresql environment.

User component for Rails applications.

A simple model translation gem using postgresql JSONB columns

Providing a flexible alias for column names in ActiveRecord.

Validate specific value for Rails

This gem builds PostgreSQL databases from .matrix files and metadata spreadsheets

Vario adds custom runtime configuration to your Rails app.

Seperate databases for every branch in your development environment

Provides a barebones, but supremely quick way of querying your ActiveRecord database.

Version ActiveRecord models using composite primary keys

Simple way to manage database views in rails.

Viewy is a tool for managing views and materialized views in Postgres from within a rails app.

Virgo is a comprehensive team blogging tool for Ruby on Rails

Describe a view in code to back ActiveRecord models