On properly sized and tuned site, database CPU utilizations do not exceed 40%.

在规模适中和经过优化的网站上，数据库的 CPU 使用率不会超过 40％。

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In the event of a failure at the primary site, database resources are started at the second location.

当在主站点出现故障时，数据库资源在辅助位置上启动。

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But when you change a theme in WordPress, you're also modifying the underlying structure of the site, including database queries and PHP execution.

但如果你改变一个Wordpress的主题，你还可以修改网站的基本结构，包括数据库查询和PHP执行方式。

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An example is a business with a high-traffic, database-based web site.

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We also take a look at this week's announcement that Spotify, the hot-as-fire music-streaming site, is opening up its massive database of songs to outside app developers.

CNN: Tech Check: Cyber Monday and Spotify apps

Like coupons, the real money of the model is probably in infrastructure and database management, not owning a dedicated front-end site.

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