As with other types of sparse databases, this tends to increase storage requirements, sometimes to unacceptable levels.
相对于其他类型的稀疏数据库，数据立方体往往会增加存储需求，有时会达到不能接受的程度。
As with other types of sparse databases, this tends to increase storage requirements, sometimes to unacceptable levels.
相对于其他类型的稀疏数据库，数据立方体往往会增加存储需求，有时会达到不能接受的程度。
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