下面的查询语句是否正确？select xh 学号,COUNT(xh) 不及格课程门数from cjbgroup by xhwhere cj<60go
下面的查询语句是否正确？select xh 学号,COUNT(xh) 不及格课程门数from cjbgroup by xhwhere cj<60go
1
下面的查询语句是否正确？select xh 学号,COUNT(xh) 不及格课程门数from cjbgroup by xhwhere cj<60go