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This image shows a toy invoice database. Assume these are the data from entities in a Toy Invoice Database. This database has the following tables.
This image shows a toy invoice database.
Assume these are the data from entities in a Toy Invoice Database. This database has the following tables.
Products: The attributes are ProductNumber, ProductName, and ItemPrice
Invoices: The attributes are Invoice and DateSold
Vendors: The attributes are VendorNumber and Vendor
Orders: The attributes are Invoice, VendorNumber, ProductNumber, and QtySold
Answer the following questions regarding keys, data integrity, and relationships that would need to be established.
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