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distributed query processing
Traducere "distributed query processing" în chineză
分布式查询处理
For distributed query processing, temporary tables used in a query are passed to remote servers.
对于分布式处理，查询中使用的临时表将被传递到远程服务器。
For distributed query processing, as many stages of query processing as possible are performed on remote servers, and the rest of the stages (merging intermediate results and everything after that) are performed on the requestor server.
对于分布式查询处理，在远程服务器上执行尽可能多的查询处理阶段，并且在请求者服务器上执行其余阶段（合并中间结果和之后的所有内容）。
Performing functions for distributed query processing
执行分布式查询处理的功能
The Distributed engine does not store data itself, but allows distributed query processing on multiple servers. Reading is automatically parallelized. During a read, the table indexes on remote servers are used, if there are any.
分布式引擎本身不存储数据， 但可以在多个服务器上进行分布式查询。 读是自动并行的。读取时，远程服务器表的索引（如果有的话）会被使用。 分布式引擎参数：服务器配置文件中的集群名，远程数据库名，远程表名，数据分片键（可选）。 示例：
There are two options for IN-s with subqueries (similar to JOINs): normal IN/ JOIN and GLOBAL IN/ GLOBAL JOIN. They differ in how they are run for distributed query processing.
对于带有子查询的（类似与JOINs）IN中，有两种选择：普通的IN／JOIN与GLOBAL IN ／ GLOBAL JOIN。它们对于分布式查询的处理运行方式是不同的。
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