摘要: 建表:CREATE TABLE Course ( Cno Char(4) PRIMARY KEY, Cname Char(40), Cpno Char(4), Ccredit Int, FOREIGN KEY (Cpno) REFERENCES Course(Cno) );插入数据:... 阅读全文
posted @ 2015-11-07 11:10 BestWangJie 阅读(4207) 评论(0) 推荐(0) 编辑