EAV stands for Entity-Attribute-Value model. It is a data antipattern which generalizes all your facts and dimensions
Tables in your physical model will have only 3 columns
The entity: the item being described.
The attribute or parameter: typically implemented as a foreign key into a table of attribute definitions. The attribute definitions table might contain the following columns: an attribute ID, attribute name, description,data type, and columns assisting input validation, e.g., maximum string length and regular expression, set of permissible values, etc.
