摘要: 1、有唯一列,通过唯一列最大或最小方式删除重复记录 1 delete from zczjDataTemp 2 where cdnum in( select cdnum from zczjDataTemp group by cdnum having count(cdnum ) > 1) and 3 I 阅读全文
posted @ 2021-07-08 23:09 laoyang01 阅读(691) 评论(0) 推荐(0) 编辑