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。
Let's run merge sort on it, and then we'll look at the code.
让我们在这个列表上运行归并排序，然后我们在看一下代码。
Merge sort has o (n log n) worst-case and average-case performance.
合并排序的最差性能和平均性能为o (nlog n)。
For example, implement merge sort.
例如，如何实现合并排序。
Wow I can sort two lists, so I can merge two lists.
喔，我可以，将两个列表排好序。
It is easy to understand the concept of 2-way merge sort algorithms.
二路归并排序算法的思想比较容易理解。
It is easy to understand the concept of 2-way merge sort algorithms.
二路归并排序算法的思想比较容易理解。
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