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Computer Science 37 Online
mhchen:

Anyone here good with SQL? Which suppliers supply all the movies in the inventory? (Hint: first get a list of the movie suppliers and all the movies in the inventory using the cross product. Then find out which of these tuples are invalid.) Tables: Inventory: MovieID Movies: MovieName, MovieID MovieSupplier: SupplierID, MovieID Suppliers: SupplierID, SupplierName

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