摘要:
我们先建立两个表插入一些Demo数据 ----student=(sno,sname) 学号,姓名insert into student(sno,sname) values('2005001','小施');insert into student(sno,sname) values('2005002','小王');insert into student(sno,sname) values('2005... 阅读全文
posted @ 2010-07-05 11:13
lin714115
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