Question: draw an erd for - A store can receive multiple products from multiple vendors. Likewise, a product can be sourced from multiple vendors and sold
draw an erd for - A store can receive multiple products from multiple vendors. Likewise, a product can be sourced from multiple vendors and sold in multiple stores. A vendor can also bundle multiple products into one delivery. Therefore, receiving number and ProdID together forms the composite identifier of each receiving record. VendorID is the identifier of the Vendor entity.
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