2017年12月7日
摘要: DELETE a FROM tbBuilding a WHERE EXISTS (SELECT 1 FROM tbBuilding b WHERE b.Province = a.Province AND b.City = a.City AND b.County = a.County AND b.St 阅读全文
posted @ 2017-12-07 14:19 大陈1108 阅读(140) 评论(0) 推荐(0) 编辑