The Mapping node provides a graphical way of performing mappings between fields in an input message or database, to one or more output messages or database tables.

映射节点为输入消息或数据库中的字段之间、以及到一个或多个输出消息或数据库表执行映射提供了图形方法。

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The result of mapping in design time are typically federated views, similar to relational database views, which then can be deployed or created on the federation server.

设计时的映射结果通常为联合视图，与关系数据库视图类似，可以随后在联合服务器上进行部署或创建。

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This support in JDBC 4.0 means that XML can natively flow across the middle tier and the database without unnecessary mapping or performance overhead in both the database and the middle tier.

JDBC 4.0中的这个支持意味着：无需不必要的映射，XML就可以原生地在中间层和数据库之间流动，这也不会在数据库和中间层导致性能开销。

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All models have the ability to upgrade to Garmin navigation via a special app (available on the Apple iTunes Store), which downloads the mapping database directly onto an iPhone 4 or 4s and allows for instantaneous routing and re-routing without the need for continuous 3G, 4G or LTE service, avoiding long download times and high data charges.

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