【单选题】在MySQL中,假设有 学生选课表SC(sno,cno,score)。那么列出所有选修课程超过5门的 学生学号以及选修课程数目,其正确的SQL语句为( )。
A.
select sno,count(cno) from sc where count(cno)>=5;
B.
select sno,count(cno) from sc group by sno where count(cno)>=5;
C.
select sno,count(cno) from sc group by sno having count(cno)>=5;
D.
select sno,count(cno) from sc group by cno having count(cno)>=5;
【单选题】If you're going to come, please let me know().
【单选题】_________Could you please give me a hand?
【简答题】已知学生数据库students中包括数据表:Stud(SNo,SName,,Class),Sco(CNo,CName),Score(CNo,SNo,Grade)。若要查看学生成绩单:包含SNo、SName、CName、Grade。完成这一要求的SQIL查询语句是_________。
【多选题】栲胶浸提工艺要求正确的是___________ 。
【单选题】— Is there a table for 4, please? — _________, please. Is the one near the back door OK?