01 2022 档案

oracle 根据排序去重取第一条
摘要：原文转自 https://www.jianshu.com/p/d5c0a355890b，感谢作者styone分享。 SELECT t.* FROM (SELECT a.*, row_number ( ) over ( PARTITION BY userid ORDER BY 时间字段 DESC ) 阅读全文
posted @ 2022-01-20 16:31 lybingyu 阅读(1569) 评论(0) 推荐(0)