The database can assign sequence Numbers to each node so that it knows the position of each node and can compare the document order of two nodes in constant time.

数据库可以为每个节点分配顺序号，这样就知道每个节点的位置，可以在常数时间内比较两个节点的文档顺序。

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All of this is fine, but the real value of directly manipulating a cursor is the ability to update the database at a particular position.

上述这些游标都很有用，但是，直接操纵游标的实际价值在于在特定位置更新数据库的能力。

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With this system, certain vehicles' real-time status, such as gasoline consumption, load and position, can be monitored and sent to a national database.

有了这个系统，每个车辆的即时状态，如油耗量，负荷和位置，都可以监测到并发送到国家数据库。

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As your media relations tool, however, you can create a profile on the database and position yourself for more interview opportunities.

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At Kraft's behest the team had compiled a database of stats for every position in the NFL going back 25 years.

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"Following Oracle's move into hardware and SAP's move into the database market, both of which position these leading apps companies more in IBM's traditional markets, IBM has perhaps fewer reservations about participating in the apps and software-as-a-service market, " Nomura analysts said.

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