How many tables in the relational schema mapped from the Central School Library ER diagram will have composite primary keys?
A) 0
B) 1
C) 2
D) 3
C
Business
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What would be a focus for the following central idea: "Laptop computers are convenient for business travelers"?
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Dollar stores are classified under:
A) Convenience stores. B) Specialty retailers. C) Discount retailers. D) Hard discounters. E) Category killers.
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