因此，任意键通常可以更快地执行连接。
Therefore, arbitrary keys will generally perform joins faster.
任意键是一列，通常比操作派生的键要小。
An arbitrary key is one column and is almost always smaller than an operationally derived key.
电脑提示：请按任意键继续。这个任意键在哪？
My computer is telling me to press any key to continue. Where is the 'any' key?
那么，选择就在任意键的更好性能和操作键的更易维护之间进行。
The choice, then, is between better performance of an arbitrary key and easier maintenance of an operational key.
维度键有两种选择：您可以分配一个任意键，或者使用操作系统中的标识符。
There are two choices for dimension keys: you can assign an arbitrary key, or use identifiers from the operational system.
如果您按任意键中断默认启动，将会看到一个类似于图6的选项菜单。
If you press a key to interrupt the default boot, you will see a menu of choices similar to that in Figure 6.
对于任意键或任意历史标识符，在创建事实时，就必须将一个键分配给事实。
With arbitrary keys, or arbitrary history identifiers, a key must be assigned to a fact at the time the fact is created.
任意键通常只是一个序列号，当需要一个新键时，就分配下一个可用的号码。
An arbitrary key is usually just a sequential number, where the next available number is assigned when a new key is required.
通过设置快捷键命令，可以通过任意键的组合实现快速打开运用程序和网址两个功能。
By setting the shortcut command keys can be any combination of rapid application programs and web site to open two functions.
第9步后，系统验证了新的密码强度，得到的密码重置，并提示你按任意键退出密码重置工具。
Step 9 After the system verifies the strength of the new password, the password gets reset, and you get prompted.
我痛苦而又清醒地记得，在电脑初学者培训班里，老师让我们按任意键，我徒劳地寻找任意键。
I remember with painful clarity a beginners computer class where the instructor told us to press any key. I searched in vain for the any key.
当到达闹铃时间时，闹铃将持续1分钟，贪睡时间到时，闹铃会再次响起。按SET键或按任意键停止铃声。
When reach the alarm time, the alarm will last 1 minute, snooze time reach, alarm will ring again, press "SET" key or any button can stop the alarm.
您可以(在上方的表中)添加新键并移除已有的键，创建或更改任意键的绑定，以及(在下方的表中)移除一个绑定。
You can add new keys and remove keys (in the upper table), and create or change the bindings of any key, as well as remove a binding (in the lower table).
您可以(在上方的表中)添加新键并移除已有的键，创建或更改任意键的绑定，以及(在下方的表中)移除一个绑定。
You can add new keys and remove keys (in the upper table), and create or change the bindings of any key, as well as remove a binding (in the lower table).
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