程序员可以透明地使用来自这些不同数据源的数据，并通过 DB2 II 全局查询优化器来选择一个有效的数据访问策略。

Programmers can work transparently with data from these various sources, relying on DB2 II's global query optimizer to select an efficient data access strategy for such work.

youdao

为了保持一致性和优化，组织常常让IT部门负责选择在什么地方和如何实施跨lob的策略。

Organizations often delegate to it the responsibility to chose where and how to operationalize cross LOB policies for consistency and optimization.

youdao

它如何选择在优化存取路径中使用这些策略中的哪一个？

How does it choose which of these strategies to use in the optimized access paths?

youdao