...开发版本，与 MySQL 3.23 相比它包含了一些新特性，比如多表删除(multi-table delete)、查询结果缓冲(cached query results)和 SSL 通信。4.0 版与 3.23 版中的 InnoDB 表引擎是一致的。
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To speed this up, you can cache the results from a search query and use these cached results whenever a user submits a query.
为了提速，您可以高速缓存从搜索查询得到的结果，然后在用户每次提交查询时使用这些缓存的结果。
This would typically happen in parallel, as each node receives and performs the query on its locally cached state. And returns results.
通常这都是并发行为，因为每个结点都会在其本地的缓存状态上接收并执行查询，最后返回结果。
Because query results from the [HistoricSales] cube are pre-cached, the performance for queries that are run against the sales data of the entire time period is improved.
因为预先缓存了来自[HistoricSales]数据集的查询结果，所以整个时间段的销售数据执行的查询性能得到了改善。
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