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
出自:计算机科学