清单和区间碎片都可以用于片段索引。
Both list and interval fragmentation can be used to fragment indexes.
在单个dbspace中存储多个表或索引片段。
Storing multiple table or index fragments in a single dbspace.
在单个dbspace中可以存储同一个表或索引的多个片段，从而减少分段表所需要的dbspace总体数量。
You can store multiple fragments of the same table or index in a single dbspace, reducing the total number of dbspaces needed for a fragmented table.
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