oracle中根据时间获取最新的一条数据

时间:2017-03-07 20:46:01   收藏:0   阅读:1301
1、select kd.CREATEUSERID as userid,kd.LOCATION,kd.createtime as location from KT_DEVICESTRACK kd where rownum=1 order by kd.createtime
2、SELECT * FROM (
SELECT *,ROWNUM rn FROM t ORDER BY date_col DESC
) WHERE rn = 1

 

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