您也可以从更新指令码置放主索引键、索引和唯一的条件约束。
You can also drop primary keys, indexes, and unique constraints from the update script.
这正是两个诊断相冲突的地方：一个强调约束条件是唯一提振信心的方法；
This is where the two diagnoses collide. One emphasises conditions as the only way to confidence.
对于这一问题的目的，每个废品箱的容量是无限的，并且唯一的约束条件就是要通过移动瓶子使每个废品箱中都只有一种颜色的瓶子。
For the purposes of this problem, each bin has infinite capacity and the only constraint is moving the bottles so that each bin contains bottles of a single color.
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