想實現如下效果,就是分組后時間最大的那一條數據: 1、SQL SELECT * FROM ( SELECT * , ROW_NUMBER() OVER ( PARTITION ...
db.getCollection product protocol new .aggregate sort: end date : , group: id: company protocol , end date: first : ROOT , ...
2018-08-16 09:28 0 1158 推薦指數:
想實現如下效果,就是分組后時間最大的那一條數據: 1、SQL SELECT * FROM ( SELECT * , ROW_NUMBER() OVER ( PARTITION ...
with MiPriceTopOne as (select classid,max(dataTime) dataTime,max(id) as id from MiPrice group by cla ...
) A where A.Row_Sort=1 --PARTITION BY 后面接分組憑借字段(通 ...
參見:https://blog.csdn.net/zhenwei1994/article/details/83009705 ...
要求:獲得 按table1_id分組,並且age最大的記錄信息,即2、3、5條 方法一: select * from (select * from table2 order by age desc) as a group ...
分組中獲取時間最新得一條數據 解析:根據APP_LID分組,按照FINISH_TIME不為空倒敘排序,mtime取分組中排序在第一位的數據 SELECT * FROM ( SELECT ROW_NUMBER () OVER ( PARTITION BY APP_LID ...