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"Union-Compatible" Means That the ____

Question 17

Multiple Choice

"Union-compatible" means that the ____.


A) names of the relation attributes can be different, but the data types must be identical
B) names of the relation attributes must be the same, but the data types can be different
C) names of the relation attributes must be the same and their data types must be identical
D) number of attributes must be the same, but the names and data types can be different

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