数据库分片可以在物理上优化查询开销。
Database partition could optimize query overhead physically.
分片包括两个部分：数据库分片和查询分片。
Partition falls into two categories: database partition and query partition.
数据库分片是指对数据库进行水平分区，其中每个分区称为一个碎片。
Database sharding refers to the horizontal partitioning of a database with each individual partition called a shard.
提供非侵入性解决方案来支持数据库分片，同时使用Hibernate构建现有SaaS应用程序。
Provides noninvasive solutions to support database sharding while SaaS-enabling existing applications built using hibernate.
数据库分片提供许多优势，比如对数据库的更快读写、改进的搜索响应、更小的表格尺寸以及对表格的按需分配。
Database sharding provides many advantages, such as faster reads and writes to the database, improved search response, smaller table sizes, and distribution of tables based on need.
当然你可以说出许多技巧来降低数据库的负载，比如利用缓存，数据分片等等。
There's a lot of things I can say about using caching, sharding, and other techniques to take load off the database.
微软将在2011年发布SQLAzureFederations，它将支持数据库级别的分片。
Microsoft will release SQL Azure Federations which will support sharding at the database level in 2011.
我们将使用HibernateShards (Hibernate的一个扩展)解决SaaS应用程序的数据库扩展问题，并向Hibernate用户提供分片的功能。
We will address the database scaling issues of SaaS applications using Hibernate Shards, which is an extension of Hibernate, and makes available the features of sharding to Hibernate users.
我们将使用HibernateShards (Hibernate的一个扩展)解决SaaS应用程序的数据库扩展问题，并向Hibernate用户提供分片的功能。
We will address the database scaling issues of SaaS applications using Hibernate Shards, which is an extension of Hibernate, and makes available the features of sharding to Hibernate users.
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