These attributes are additional dimension table attributes of previous product sales company. Postal Code Id, State, Variant name, Country, Model Name, Variant Id, Date, Year, Quarter Number, Month, Quarter Number, Date, Shipping Id, Year, Region, Order Id, City, Month, Delivery Id, Model Id, Quarter Number, Month, Year, Postal Code, Date. 1. Create some dimension table diagrams along these attributes which are related to attributes of fact table. Must add a primary key attribute and use star sign beside primary key attributes. And give name for dimension tables. 2. Create a snowflake schema using these dimension tables, and all dimension tables and fact table you already created on Star schema diagram. Submission guideline: Please use lucid chart to create Star/Snowflake schema (if not, you can use Microsoft word for designing the snowflake schema

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Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.