For bar type plots, the data is the length of the bar, and the choice between column or bar type determines the orientation.
对于条形图,数据是条的长度,柱形图和条形图之间的选择决定条的方向。
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。
Writing the column has turned out to be much more difficult than I expected, and the freedom of choice has made matters worse.
写专栏却比我想象的要困难,有选择的自由让这件事难上加难。
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