After studying the questions of data allocation and tile declustering in heterogeneous disk systems, a same-rate virtual disk dividing method and a virtual disk sorting method are proposed.

着重讨论了异构磁盘系统的数据分配和瓦片分布问题，提出了一种速率均匀虚拟磁盘划分方法和一种虚拟磁盘排序方法。

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For example, if there were an excessive amount of sorting such that the sort heap spilled to disk, performance would suffer.

比如说，如果出现大量排序操作，导致排序堆被溢出到磁盘上，那么性能就会受到影响。

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Oracle automatically allocates this disk space called a temporary segment. Typically, Oracle requires a temporary segment as a database area for sorting.

临时表空间中的默认存储参数决定了临时段中区的分配原则。

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