下列语句中正确的是()表score(sti_id,names,math,English,VB)
- A、selectstu_id,sum(math)froms core
- B、selectsum(math),avg(VB)from score
- C、select*,sum(english)from score
- D、delete * from score
正确答案:B
答案解析:有

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下列语句中正确的是()表score(sti_id,names,math,English,VB)
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