这个版本扩展了对大型数据库环境和灾难恢复的支持。

This release extends support for large database environments and disaster recovery.

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许多用户使用数据库的影子副本(图4)支持基于操作数据的大型专用查询。

Many users employ a shadow copy of their database (Figure 4) to support large and ad-hoc queries against the operational data.

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如果要监视的数据库系统是用于决策支持(DSS)的，查询比较长而且比较复杂，那么不要让质量控制(QC)代理运行大型的查询。

If the database system you are monitoring is for decision support (DSS), and the queries are long and complicated, don't have the quality control (QC) agent run a large query.

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