We obtained better performance with separate file systems for system databases.

我们通过单独的系统数据库文件系统获得了更好的性能。

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Note that some system databases (such as Names.nsf and Events4.nsf) are not supported as DB2-enabled databases.

注意，并未支持一些系统数据库（如 Names.nsf 和 Events4.nsf）作为启用了 DB2 的数据库。

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Asynchronous availability does not guarantee that primary and secondary system databases are completely synchronized.

而异步可用性则不保证主系统和辅助系统是完全同步的。

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The challenge with Big Data is that it includes everything from hardware, through operating system, databases, analytics and business intelligence technologies, visualization software, post-graduate level mathematics and statistics, and innovative approaches to business and social problems.

FORBES: A Mind Blowing Big Data Experience: Notes From Strata 2013

The system's big databases told Yahoo where people were going on the Internet, because millions used Yahoo for direction.

FORBES: The Killer Ad Machine

The NICS system is linked to several databases managed by the FBI, including the National Crime Information Center, and runs an individual's name through federal and state criminal records.

CNN: Background checks on gun sales: How do they work?