摘要: --测试数据if OBJECT_ID('tb') is not null drop table tb goCREATE TABLE tb(ID char(3),PID char(3),Name nvarchar(10))INSERT tb SELECT '001',NULL ,'山东省'UNION ALL SELECT '002','001','烟台市'UNION ALL SELECT '004','002','招远市'UNION ALL SELECT 阅读全文
posted @ 2012-03-25 17:51 leon_kin 阅读(248) 评论(0) 推荐(0) 编辑