Also use it for all columns that are not the leading column of any index.
对于不是索引起始列的所有列，也应使用该模式。
Why would a reverse index be useful when the leading column of the index is generated from a sequence?
当索引第一列由序列产生，一个逆序索引有什么用？
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。
Many suffer through their exhaustion proudly, leading to a cultural phenomenon called "sleep machismo," as a recent column in USA Today pointed out: the valuing of sleeplessness over sleep.
许多人对他们的精疲力尽很自豪，这导致了一种文化现象——“睡眠英雄主义”，就像最近《今日美国》的专栏指出的：睡觉方面睡眠时间短的价值。
In this column, I shall be looking at these techniques and practices in the context of specific Web sites that are leading the vanguard of Web 2.0.
在此专栏中，我将以引领Web 2.0潮流的那些网站为上下文，观察这些技术和惯例。
The invalidation of the effect of column outlet was researched with slip mechanism, for the investigation on the cause of forming tailing peak and leading peak.
本文以滑移机理研究“柱出口效应”失效的机制，以探讨伸舌色谱峰和拖尾色谱峰的形成机理。
Adopts four-column and three-plate structure, the active placte paralleling with the working surface in high precision, four precise guide sleeves leading to highly precise down-pressing plumb;
采用四柱三板式结构，活动板与工作面平行精度高，四个精密导套使下压垂直精度高；
Adopts four-column and three-plate structure, the active placte paralleling with the working surface in high precision, four precise guide sleeves leading to highly precise down-pressing plumb;
采用四柱三板式结构，活动板与工作面平行精度高，四个精密导套使下压垂直精度高；
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