oracle 分组中获取时间最新的一条数据

分组中获取时间最新得一条数据

解析：根据APP_LID分组，按照FINISH_TIME不为空倒叙排序，mtime取分组中排序在第一位的数据

SELECT * FROM (
		SELECT
			ROW_NUMBER () OVER (
				PARTITION BY APP_LID
				ORDER BY FINISH_TIME DESC NULLS LAST
			) mtime,
			FINISH_TIME,
			APP_LID
		FROM tabName
		WHERE STATUS = 'STA008'
	)
WHERE mtime = 1