oracle按單個字段分組

按不同單個字段分組結果查詢不分組字段

SELECT ID FROM (
SELECT 
ID,
NAME,
TASK_VERSION,
COUNT(ID) OVER (PARTITION BY NAME)AS NUM, --單個字段分組
MIN(TASK_VERSION) OVER (PARTITION BY NAME) AS TASK_VERSION1 --單個字段分組
FROM ITEM_MAIN_LIST 
WHERE ISONLINK='2222'--查詢條件
) 
WHERE TASK_VERSION1 = TASK_VERSION AND NUM>1 --查詢條件