Oracle遞歸查詢（查詢當前記錄所有父級或子級）

Oracle遞歸查詢（查詢當前記錄所有父級或子級）

向上遞歸查詢 所有上級

元數據：

    SELECT *
    FROM ORGANIZE
    START WITH PARENT_ID = '1409'
    CONNECT BY PRIOR PARENT_ID = TID 

　　

 

 

 

 

向上遞歸查詢 所有上級SQL:
    SELECT *
    FROM ORGANIZE
    START WITH TID = '1409'
    CONNECT BY PRIOR PARENT_ID = TID 

結果：

 

 

 

向下遞歸： 即查詢當前的級別的所有子級

元數據：

	
 SELECT * FROM ORGANIZE START WITH TID = '1408'
    CONNECT BY PRIOR TID = PARENT_ID

　　

 

 

向下遞歸： 即查詢當前的級別的所有子級
		
   SELECT * FROM ORGANIZE START WITH PARENT_ID = '1408'
    CONNECT BY PRIOR TID = PARENT_ID