SQL 遞歸查詢

例如表爲：User.net 一、獲取指定節點下的全部子節點：code WITH TEMP AS ( SELECT * FROM User WHERE ID='0' --表的ID UNION ALL SELECT t.* FROM TEMP,User t WHERE TEMP.ID=t.parent_id --子級ID==父級ID ) SELECT * FROM TEMP; 二、獲取指

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