For some business needs you must use a(n)_________ ,a combination of two or more fields that together serve as a primary key,because it is impractical to use a single field as a primary key.

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The Answer of For some business needs you must use a(n)_________ ,a combination of two or more fields that together serve as a primary key,because it is impractical to use a single field as a primary key.

For Some Business Needs You Must Use A(n)_________ ,A Combination