 The Magento EAV structure is one that is designed for scalability, but loses efficiency when it comes to data analysis. Due to the use of multiple tables for storing the “entity”, “attribute” and then the “value”, a SQL query to perform complex product analyses is required to perform joins across several tables. This article outlines an approach to “flatten” this structure so that all products and their associated attributes are stored in the same table, allowing for easy analysis.
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