varchar和nvarchar的区别
摘要:
做实验如下:create table tds( tid int identity(1,1), Tname1 varchar(10), Tname2 nvarchar(10))能插入正确:insert into tds values('aaaaaaaaaa,'aaaaaaaaaa')insert into tds values('你你你你你','你你你你你你你你你你')插入错误:insert into tds values('你你你你你你','你你你你你你你你你你')得出结论:varchar和nvarchar 阅读全文
posted @ 2011-02-11 15:48 拉风的猪肉王子 阅读(127) 评论(0) 推荐(0) 编辑