Since each database partition has local indexes on its data there is increased performance for local data access.
由于每个数据库分区都有它的数据上的本地索引，因此提高了本地数据访问的性能。
Increased productivity, reasonable runtime performance, and turnkey access to diverse data sources are often key concerns.
生产率的提高，合理的运行时性能，以及对不同数据源的交钥匙(turnkey)式的访问，这些都是需要重点关心的问题。
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