一旦数据本地化，由于是在本地机器上运行数据库，开发者就能大幅度的提高查询性能。
Once the data is local, by running database queries on the local machine developers are able to drastically improve performance.
在演示中，我们仅仅将三个查询直接写成jsp格式，但是一个更好的解决方案就是使用本地化软件包。
In this demo, we just simply write these queries into JSP directly, but a better solution would be to use localization pack.
利用数据划分和复制将查询本地化从而实现并行查询。
And it implements parallel query processing through query localization based on data partitioning and replication.
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