创建一个COURSE1表,有课名,课号,学分,任课教师,设置CNO为主键。Create table COURSE1(cname varchar(10),cno char(2) ( ),teachar varchar(8))
创建一个COURSE1表,有课名,课号,学分,任课教师,设置CNO为主键。Create table COURSE1(cname varchar(10),cno char(2) ( ),teachar varchar(8))
发布时间:2025-07-05 23:01:50