给出数据表 score ( stu_id ,name ,math ,english ,chinese) ,下列语句正确的 是( ) 。
A.select *,sum (english) from score B.delete * from score C.select stu_id ,sum (math) from score D.select sum (math) ,avg (chinese) from score正确答案CD
给出数据表 score ( stu_id ,name ,math ,english ,chinese) ,下列语句正确的 是( ) 。
A.select *,sum (english) from score B.delete * from score C.select stu_id ,sum (math) from score D.select sum (math) ,avg (chinese) from score正确答案CD
