摘要: --合并重复行select * from Aunion select * from B--不合并重复行select * from Aunion allselect * from B按某个字段排序--合并重复行select *from (select * from Aunion select * fr... 阅读全文
posted @ 2014-12-18 16:11 little white 阅读(7381) 评论(0) 推荐(1) 编辑