摘要:
1、查询“001”课程比“002”课程成绩高的所有学生的学号 select * from Student where SNO in (select a.Sno from (select Sno,score from SC WHERE CNO ='001') a ,(select Sno,score 阅读全文
摘要:
DROP TABLE IF EXISTS `imooc_goddess`; CREATE TABLE `imooc_goddess` ( `id` int(11) NOT NULL AUTO_INCREMENT, `user_name` varchar(30) NOT NULL, `sex` int 阅读全文