SELECT TRANS_ID
FROM TRANS_INST
WHERE connect_by_isleaf=1
START WITH TRANS_ID =480242
CONNECT BY PRIOR UP_TRANS_ID = TRANS_ID;
说明：
表TRANS_INST（TRANS_ID，UP_TRANS_ID）
480242表示树的任何一个节点
TRANS_ID子节点
UP_TRANS_ID父节点
oracleCONNECTBYPRIOR叶子节点查找根节点
类别：Oracle数据库 作者：码皇 来源：oracle CONNECT BY PRIOR 叶子节点查找根节点 点击：
SELECT TRANS_ID FROM TRANS_INST WHERE connect_by_isleaf=1 START WITH TRANS_ID =480242 CONNECT BY PRIORUP_TRANS_ID = TRANS_ID; 说明：表TRANS_INST（TRANS_ID，UP_TRANS_ID）
相关热词搜索：
节点 叶子
