DB2 doesn't provide direct equivalents to these operations, but the most common USES of FORALL and BULK COLLECT can be efficiently mapped to statements involving UNNEST and ARRAY_AGG, respectively.
DB 2不提供这些操作的直接等效操作，但是FORALL和BULK COLLECT的最常见使用可有效地分别映射到涉及UNNEST和ARRAY_AGG的语句。
A method to predict block conflicts in direct mapped caches is proposed, which is based on the block replacement behavior.
本文提出了一种直接映象式高速缓存块冲突预测方法，即借助于高缓块的最近替换行为动态预测冲突发生。
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