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Rails Tutorial | Using the Entity Attribute Value Model in Ruby on Rails
In this Rails tutorial, we'll go through some descriptions of the Entity Attribute Value model, talk about what it really is, and work through a moderately realistic example.
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Helpful links:
https://en.wikipedia.org/wiki/Entity%E2%80%93attribute%E2%80%93value_model
https://inviqa.com/sites/default/files/inline-images/image2_0.png
https://looker.com/blog/sql-processing-and-data-analysis-with-the-eav-model
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