如果我们想一次性处理多个主机(hosts),我们将利用一个嵌套循环(nested for loop)。这将涉及外层(outter layer)环路(for loop)来通过主机循环然后内循环(inner for loop)通过该端口(port)循环。
基于16个网页-相关网页
This example USES two for loops. The outer for loop takes care of each row in The Times table, and the nested for loop takes care of the columns within each row.
本例使用两个for循环,外面的for循环关注乘法表中的每一行,嵌套的for循环关注每行内的列。
So when compared to a nested loop join, the merge scan join may incur the cost for sorting the inputs.
因此,当与嵌套循环联接比较时,合并扫描联接可能对于排序输入产生成本。
For more information about nested loop joins, refer to the appropriate information center link in the Resources section for your DB2 platform.
要了解嵌套循环联接的更多信息,请参考参考资料部分中针对您的DB 2平台的适当的信息中心链接。
Then the next thing in the loop, we're going to enter a nested loop and say for every college in the list e, we're going to print the name of the college.
循环中的第二件事,是进入一个嵌套循环,这个嵌套循环将数组中的,大学名字显示出来。
应用推荐