"在下面给出的SQL语句中,()代码会导致语句的失败。 1 SELECT LastName,FirstName,Email 2 From Customers,EmailUsers 3 ON Customers.UserName=EmailUsers.UserName 4 ORDER BY LastName ASC"
- A、1
- B、2
- C、3
- D、4
正确答案:C
答案解析:有

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"在下面给出的SQL语句中,()代码会导致语句的失败。 1 SELECT LastName,FirstName,Email 2 From Customers,EmailUsers 3 ON Customers.UserName=EmailUsers.UserName 4 ORDER BY LastName ASC"
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