SELECT t1.OrderId,t1.QueueId FROM ( SELECT tq.OrderId,tq.QueueId,ROW_NUMBER() ...
select a. from testTable a inner join select id,MAX InDate as InDate from testTable group by id b on a.id b.id and a.InDate b.InDate ...
2022-02-15 17:43 0 1449 推薦指數:
SELECT t1.OrderId,t1.QueueId FROM ( SELECT tq.OrderId,tq.QueueId,ROW_NUMBER() ...
select * from ( select last_comment, row_number() over(partition by employeeid,roadline,stationname ...
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轉自:http://www.maomao365.com/?p=8223 摘要: 下文講述對通過舉例的方式分享,“sql分組后,取最新一條記錄的方法”,如下所示: 實驗環境:sql server 2008 R2 ...
轉載自:https://blog.csdn.net/shiyong1949/article/details/78482737 在mysql中使用group by進行分組后取某一列的最大值,我們可以直接使用MAX()函數來實現,但是如果我們要取最大值對應的ID,那么我們需要取得整行的數據。最 ...
轉自:https://www.cnblogs.com/onesmail/p/5207236.html ...
https://www.cnblogs.com/JentZhang/p/12162170.html 獲取分組后取某字段最大一條記錄 方法一:(效率最高) select * from test as a where typeindex = (select max(b.typeindex ...
SELECT ROW_NUMBER()OVER(PARTITION By GroupId ORDER BY GroupId ) CN, * FROM T_DIM_SENSOR_GROUP ...