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EFFICIENT INDEXING OF HIERARCHICAL RELATIONAL DATABASE RECORDS
EFFICIENT INDEXING OF HIERARCHICAL RELATIONAL DATABASE RECORDS
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机译:分层关系数据库记录的有效索引
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摘要
According to various embodiments, systems, and methods, a sorting construct (TREE_SORT) is generated to efficiently traverse hierarchical data structures in relational databases. A TREE_SORT construct is generated by transforming a value that represents the sequential order of a given node relative to its siblings (Peer_Sequence) to a left-justified string of a given width. A TREE_SORT value for the parent of a given node is prepended to the left of the generated substring of the transformed Peer_Sequence value. As a result, a sorting construct of the parent node sorts before sorting constructs of child nodes.
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