摘要: 首先建立两个表,用来测试,代码如下:View Code 1 create table test( 2 3 tt varchar(50) not null 4 5 primary key (tt) 6 7 ) 8 9 create table myTest(10 11 aa varchar(40) not null,12 13 bb varchar(50) not null,14 15 cc varchar(50) not null,16 17 constraint PK_myTest primary key (aa),18 19 constraint fk_myTest foreig... 阅读全文
posted @ 2012-07-10 10:08 笨笨的菜鸟 阅读(11849) 评论(0) 推荐(0)