C99 introduced a qualifier, restrict, which can give a compiler optimization hints about Pointers.
C99引入了一个限定词restrict，它可以向编译器给出关于指针的优化提示。
Such attributes can provide, for example, unique identifiers, optimization hints, or documentation.
这些属性通常能提供诸如，惟一标识符、优化提示、文档生成……的功能。
This includes creating relationships with these tables and various forms of optimization such as hints or data caching to name a couple.
这种整合包括创建与这些表的关系以及各种形式的优化，比如通过提示或数据缓存命名一个耦合。
Query optimization features using hints, explain plans, and profiling.
使用提示、解释计划和分析的查询优化特性。
Query optimization features using hints, explain plans, and profiling.
使用提示、解释计划和分析的查询优化特性。
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