我从未使用过它们，但是我听说占星术+算命的价格非常便宜，更快，更有效，制作魔术并需要提供更少的输入比您在此问题中所做的要好.

I have never used them but I've heard that astrology + fortune telling are extremely cheaper, faster, more efficient, make magics and require to provide even less input than you did in this question.

无论如何，由于原始数据库中的数据可能会发生变化，因此我没有找到使OLAP多维数据集保持最新状态的方法."

"Anyway I didn't find the way to keep the OLAP cube up-to-date since the data in the original DB can change."

它称为 ROLAP存储模式