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.
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。
The basic authority and the HTTP authority provide access control strategy of the protected resources. The SSL provides mechanism for transmitting sensitive encrypted data.
基本认证和HTTP认证提供了对受保护资源的访问控制策略，而SSL则提供对敏感数据加密传输的机制。
This paper emphasizes on broadcast content selection strategy and broadcast scheduling algorithm for efficient access of multiple data items.
本文着重研究广播内容选择策略和多数据项广播调度算法。
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