Further, it is interesting to note that the order in which DB2 has returned the results exposes how the recursion is processed one level at a time, instead of using a tree-walk.
而且，令人感兴趣的是，DB2返回结果时所依照的顺序暴露了递归如何逐层地而不是采用遍历树的方法进行处理。
Further, it is interesting to note that the order in which DB2 has returned the results exposes how the recursion is processed one level at a time, instead of using a tree-walk.
而且，令人感兴趣的是，DB2返回结果时所依照的顺序暴露了递归如何逐层地而不是采用遍历树的方法进行处理。
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