This decouples a deployment from completed migrations. Give us control of the data manipulation proccess by encapsulatin it in on place. need to remember to:

1. Run it in one of the ways bellow: a. Add this rake task the deployment script or;

There are two types of markup in Liquid: Output and Tag.

• Output markup (which may resolve to text) is surrounded by

{{ matched pairs of curly brackets (ie, braces) }}

• Tag markup (which cannot resolve to text) is surrounded by

Getting started:

• http://www.sqlteaching.com/
• https://www.codecademy.com/courses/learn-sql

Related tutorials:

• MySQL-CLI
• Analyzing Business Metrics