Also, DB2 cannot use random order index columns as part of a sort merge join.

另外，DB 2无法在排序合并合并连接中使用随机顺序的索引列。

youdao

As shown in the IXSCAN descriptor in Figure 8, the leading column of the index exploited by optimizer is PRODUCT_NUMBER, which does not provide the order required for merge scan join.

如图8的IXSCAN描述符所示，通过优化器利用的索引的领先列是PRODUCT _ NUMBER，其不为合并扫描联接提供所需的顺序。

youdao

In fact they must release energy in that way in order to degrade their orbits and get close enough to merge. Those gravitational waves could act sort of like a jet engine, explained Jonker.

Jonker解释道，“事实上他们必须通过这种方式来释放能量，降低轨道，彼此靠近并最终融合，这些重力波能产生类似喷气发动机的效果。”

youdao

We said each of the merge operations O was of order n. But n is different. Right?

注意这里发生了什么,我们说过每一次合并操作的复杂度都是？

麻省理工公开课 - 计算机科学及编程导论课程节选

In an act of desperation, the SWC wanted to merge with the Big 8 in order to increase its television footprint.

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