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
按照学生平均成绩(avg< underline> _ < /underline>grade)升序排列将students表中的数据检索出来,下面SQL语句正确的是() A. SELECT*FROM students ORDERBY av< underline>g< /underline> _grade B. SELECT*FROM students ORDER BY avg_ < underline>g< /underline>rade DESC C. SELECT*FROM students ORDER ...
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 点击查看答案进入题库练习 查答案就用赞题库小...
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 ...
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() ASELECT*FROM students ORDERBYavg_grade BSELECT*FROM students GROUPBYavg_grade ASC CSELECT*FROM students ORDERBYavg_grade DESC DSELECT*FROM students ORDERbyavg_gradeasc ...
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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*FROMstudentsORDERBYavg_gradeB.SELECT*FROMstudentsGROUPBYavg_gradeASCC.SELECT*FROMstudentsORDERBYavg_gradeDESCD.SELECT*FROMstudentsORDERbyavg_gradeasc此题..
按照学号进行分组,统计学生的平均成绩,且平均分按降序排列A.select sid, avg(grade) from sc group by sid order by av
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_
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