但是，倘若是将特定的表空间和索引指派给那些缓冲池，那么这些因素又可以看作是数据库设计一类的因素了。
But when assigning specific table Spaces and indexes to those buffer pools, that could be viewed somewhat as a database design consideration.
空间查询的索引利用一组新的注解通过父类控制。
Indexing for space querying is controlled from the parent class using a new set of annotations.
本文总结出空间索引系统应提供的三类空间查询：空间范围查询、最近邻居查询、空间连接查询。
We summarize that spatial index system should provides three kinds of spatial query, they are, spatial range query, nearest neighbor query, spatial join query.
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