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多项选择题按照学生平均成绩(avg_grade)将students表中的数据检索出来,下面SQL语句正确的是()

A、SELECT*FROM students ORDERBYavg_grade

B、SELECT*FROM students GROUPBYavg_grade ASC

C、SELECT*FROM students ORDERBYavg_grade DESC

D、SELECT*FROM students ORDERbyavg_gradeasc

  • A,C,D
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