摘要: -- 删除重复的supplierName,并且保留SupplierId最大的一个begin trandelete T From(Select Row_Number() Over(Partition By supplierName order By SupplierId desc) As 'rn',* 阅读全文
posted @ 2020-11-04 14:57 温故纳新 阅读(175) 评论(0) 推荐(0) 编辑