可以使用一个xslt样式表将用户偏好转换为一组数据库指令(见图2)。

You can use an XSLT stylesheet to transform the user preferences into a set of database instructions (see Figure 2).

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这些数据库指令可以获取各种信息，比如在库存中有多少部电影与特定用户喜欢的电影类型相关。

These database instructions can then retrieve information like how many movies are in your inventory that relate to a specific user's favorite movie genre.

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这将连接到ZEO服务器，并发出一条导致服务器压缩数据库的特殊指令。

This will connect to your ZEO server and issue a special order that will induce the server to pack your database.

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