Question: Using the image provided, create a diagram that shows ONLY the four entities and their keys as would be included in a Crows Foot ERD.

Using the image provided, create a diagram that shows ONLY the

Using the image provided, create a diagram that shows ONLY the four entities and their keys as would be included in a Crows Foot ERD. (Relationships are not required.)

Assume these are the data from entities in a Toy Invoice Database. Answer the following questions regarding keys, data integrity, and relationships that would need to be established

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