SQL 多组数据中取每一组最新的数据

SELECT TB.* 
FROM ( 
    SELECT FID,A.JDH_CLIENT_ID,JDH_ID AS JdhID,RESULT AS Result,A.CREATE_TIME,B.LINE_ID AS Line,IP, row_number() OVER (PARTITION BY A.JDH_CLIENT_ID,JDH_ID ORDER BY A.CREATE_TIME DESC) AS GROUP_INDEX  

    FROM JDH_INFO(NOLOCK) A JOIN LINES B ON 
    A.JDH_CLIENT_ID=B.JDH_CLIENT_ID 
) TB
WHERE TB.GROUP_INDEX = 1 

 
原文地址:https://www.cnblogs.com/allen0118/p/12115737.html