Group 2

Match the words in Group 1 with their Chinese meaning in Group 2

If a group has at least two elements of order 2, then this group is not cyclic.

In word group 2, there is a ___

Link a word in Group 1 to a word in Group 2 to make a compound word or phrase.

Working with words-1 Link a word in Group 1 to a word in Group 2 to make a compound word or phrase.

3.2 行李托运-词汇 Match the words in Group 1 with their corresponding Chinsese meanings in Group 2

查询选修了2门课程以上的学生学号（） A: select sid,count(*) from sc group by sid having count(*)>=2 B: select sid,count(*) from sc group by sid where count(*)>=2 C: select sid,count(*) from sc where count(*)>=2 group by sid D: select sid,count(*) from sc group by cid having count(*)>=2

智慧职教: 新建一个组group1,新建一个系统组group2

A．SELECT Cno, AVG(Score) FROM SCS GROUP BY Score ORDER BY 2, Cno Desc B．SELECT Cno, AVG(Score) FROM SCS GROUP BY Cno ORDER BY 2, Cno Desc C．SELECT Cno, AVG(Score) FROM SCS WHERE Cno, Desc GROUP BY Score D．SELECT Cno, AVG(Score) FROM SCS GROUP BY, AVG(Score) ORDER BY, Cno Desc