| 摘要 |
In a data processing system for processing data having an index tree structure, a buffer rate is set in advance. When a record is to be inserted or deleted, this buffer rate is used so that a data process to be performed can be selected from a simple insert process, an overflow process, node split process, a simple delete process, an underflow process, and a node concatenation process. With this operation, the data of the index tree structure can be efficiently processed.
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