WhiteRabbit

Introduction

WhiteRabbit is a small application that can be used to analyse the structure and contents of a database as preparation for designing an ETL. It comes with RabbitInAHat, an application for interactive design of an ETL to the OMOP Common Data Model with the help of the the scan report generated by White Rabbit.

Features

• Can scan databases in SQL Server, Oracle, PostgreSQL, MySQL, MS Access, Amazon RedShift, and CSV files
• The scan report contains information on tables, fields, and frequency distributions of values
• Cutoff on the minimum frequency of values to protect patient privacy
• WhiteRabbit can be run with a graphical user interface or from the command prompt
• Interactive tool (Rabbit in a Hat) for designing the ETL using the scan report as basis
• Rabbit in a Hat generates ETL specification document according to OMOP template

Screenshots

White Rabbit	Rabbit in a Hat

Technology

White Rabbit and Rabbit in a Hat are pure Java applications. Both applications use Apache's POI Java libraries to read and write Word and Excel files. White Rabbit uses JDBC to connect to the respective databases.

System Requirements

Requires Java 1.8 or higher, and read access to the database to be scanned. Java can be downloaded from http://www.java.com.

Dependencies

For the distributable packages, the only requirement is Java 8. For building the package, also Maven is needed.

Getting Started

WhiteRabbit

1. Under the Releases tab, download WhiteRabbit*.zip
2. Unzip the download
3. Double-click on bin/whiteRabbit.bat on Windows to start White Rabbit, and bin/whiteRabbit on macOS and Linux.

(See the Wiki for details on how to run from the command prompt instead)

Rabbit-In-A-Hat

1. Using the files downloaded for WhiteRabbit, double-click on bin/rabbitInAHat.bat to start Rabbit-In-A-Hat on Windows, and bin/rabbitInAHat on macOS and Linux.

Note: on releases earlier than version 0.8.0, open the respective WhiteRabbit.jar or RabbitInAHat.jar files instead.

Getting Involved

• User guide and Help: WhiteRabbit Wiki
• Developer questions/comments/feedback: OHDSI Forum
• We use the GitHub issue tracker for all bugs/issues/enhancements

License

WhiteRabbit is licensed under Apache License 2.0

Development

White Rabbit and Rabbit in a Hat are structured as a Maven package and can be developed in Eclipse. Contributions are welcome.

To generate the files ready for distribution, run mvn install.

Development status

Production. This program is being used by many people.