As soon as a cycle is detected the appropriate flag defined in the cycle clause is set and the recursive query process for the branch is stopped.
一旦检测到循环，就会设置cycle子句中已定义好的适当标记，并停止分支的递归查询过程。
As soon as a cycle is detected the appropriate flag defined in the cycle clause is set and the recursive query process for the branch is stopped.
一旦检测到循环，就会设置cycle子句中已定义好的适当标记，并停止分支的递归查询过程。
应用推荐