Question: ? A B C RETALLER ( ERO ) We the ER Diagram for the ABC Retailer: ? 4 B C RETALLER ( ERD ) Which

?ABC RETALLER (ERO)
We the ER Diagram for the ABC Retailer:
?4BC RETALLER (ERD)
Which of the following is true according to the ABC Retailer ER diagram?
Some brands have no products
Every product is associated with a promotion
Some products belong to no brands
All of the above
None of the above
 ?ABC RETALLER (ERO) We the ER Diagram for the ABC Retailer:

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