Taking SQL Server as the platform, the depth-sorting algorithm for the double identity number tree-like data, realized by recursion, is explained in detail.
阐述了树形结构的数据在数据库中的两种存储方式单编号和双编号法，以及树形数据的排序算法。
Taking SQL Server as the platform, the depth-sorting algorithm for the double identity number tree-like data, realized by recursion, is explained in detail.
阐述了树形结构的数据在数据库中的两种存储方式单编号和双编号法，以及树形数据的排序算法。
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