oracle更改账号密码oracleCONNECTBYPRIOR叶子节点查找根节点

SELECT TRANS_ID
FROM TRANS_INST
WHERE connect_by_isleaf=1
START WITH TRANS_ID =480242
CONNECT BY PRIOR UP_TRANS_IDoracle账号 = 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

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