摘要: 数据库例程练习 3.49 代码: SELECT student.*,sc.* FROM student,sc WHERE student.sno=sc.sno; 运行结果 3.50 代码: SELECT student.sno,sname,ssex,sage,sdept,cno,grade FROM 阅读全文
posted @ 2023-04-21 19:52 201230RookieHacker 阅读(17) 评论(0) 推荐(0) 编辑