Question: Using relational algebra, and given the following relations Supplier (Name, City) Part (Name, Color, Weight) Shipment (SupplierName, PartName) Where Shipment(SupplierName) is a foreign key on

Using relational algebra, and given the following relations

Supplier (Name, City) Part (Name, Color, Weight) Shipment (SupplierName, PartName) Where Shipment(SupplierName) is a foreign key on Supplier(Name) and Shipment(PartName) is a foreign key on Part(Name)

What are the names of suppliers that ship at least two different parts?

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