oracle 分組中獲取時間最新的一條數據

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
				ORDER BY FINISH_TIME DESC NULLS LAST
			) mtime,
			FINISH_TIME,
			APP_LID
		FROM tabName
		WHERE STATUS = 'STA008'
	)
WHERE mtime = 1