How EAV Model Works in Magento2? EAV Model stands for Entity-Attribute-Value is a very important concept of magento2 to understand how the attributes of entities are stored and works in magento2. EAV Model is described as :- Entity - Entity refers to the data items such as customers,orders,catalog,category etc. Attribute - Attributes of the entities like price is an attribute of the product(entity) is referred here is an attribute. Value - A value of the attribute as $20 is a value for price attribute is referred here is a value. Use of EAV Model EAV(Entity-Attribute-Value) is used to create new attributes of entities such as products, categories etc. With the use of eav models we don’t need to change the structure of the core tables of attributes thus it increases the scalability of the system. Let’s have a look at how eav works in Magento2 - Eav model used many several tables to store the data of the entity attributes. The top most table for the e