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【单选题】BookStore数据库关系图如下: [图] 查询所有客...
【单选题】BookStore数据库关系图如下:查询所有客户的用户等级(VIPClass),要求显示客户号(CustomerCode)、客户名(Name)、用户等级(VIPClass)和评价时间(EvaluateDate)。SQL语句: SELECT Customer.CustomerCode, Name, VIPClass, EvaluateDate FROM Customer JOIN CustomerEvaluation ON _________
A、Customer.CustomerCode=CustomerEvaluation.CustomerCode
B、Customer =CustomerEvaluation
C、Customer.CustomerCode AND CustomerEvaluation.CustomerCode
D、Customer AND CustomerEvaluation
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