Another way to provide a new and better access path for a query is through the use of DB2's materialized query table (MQT) functionality.

为查询提供更好的访问路径的另一种方法是使用DB2的物化查询表(MQT)功能。

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One of the distinguishing features of Federation Server is that it uses the powerful technology of DB2's cost-based optimizer to find the best access path for federated queries.

Federation Server 的一个独特的特性是，它使用 DB2 强大的基于成本的优化器技术来发现联邦查询的最佳访问路径。

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Creating an Android app named "UltraReset" and using it in tandem with an NFC-enabled Android phone (a Nexus S, in this case), security researchers Corey Benninger and Max Sobell were able to reset and reuse -- free of charge -- transit access cards in both San Francisco's MUNI system and New Jersey's PATH system.

ENGADGET: Security researchers identify transit system exploit in San Fran and New Jersey, create app to prove it