Duplicate a databse with sanitization options using SQL comments

Provide an easy way to manage code ownership over a database schema.

Transforms the data of a database from an old schema to a new one.

A Google Spreadsheet/Excel -> YAML -> Ruby Migration Tool

Database subset generator

A simplified implementation of the data mapper pattern

Complex documents can be challenging to author, and time-consuming to achieve high levels of internal consistency. This gem offers a Domain Specific Language to embed structured data in a markdown document and then render it into configurable tables. Note: See security implications below.

From within your tests, if you can't understand what's going on, maybe you need to dump your data to your development database and use it from there?

Database Import / Export Tool

A tool that helps you generate data into multiple databases

Datafix provides a generator for documenting and testing database hotfixes

Easy management of database dumps for dev env

Data List Converter is a tool to convert data between different formats.

Uses fastercsv to scan a few lines of a CSV and create a schema with ActiveRecord. It does the actual file load with MySQL LOAD DATA.

A magical extract, transform, load (ETL) library for data integration.

A minimalistic Data Mapper for removing model dependency on Active Record

Dress ActiveRecord models in DataMapper robes

Generates Data Migrations on Migrate style.

Data Pitcher throw your pesisted data to Google Spreadsheet.

Converts DBF to modern formats.