The screen shot in Figure 5 below shows the graphical representation of a frequency distribution and shows a highly skewed set dominated by a pair of values.
图5中的屏幕截图显示了频率分布的图形化表示,并显示了由一个值对支配的高度倾斜的集合。
Without correct column distribution statistics, DB2 may not have enough information to make the best choice when choosing an access path to the data-especially if data is heavily skewed.
在选择数据的访问路径时,如果没有正确的列分布统计数据,DB 2可能没有足够的信息来做出最佳的选择,尤其是如果数据出现严重误差。
And that distribution is skewed either low or high depending on the temperature.
这个分布的倾斜程度,依赖于温度的高低。
应用推荐