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【单选题】
有关数据仓库的开发特点,下列说法不正确的是
A.
数据仓库开发是以业务和需求为中心，以数据为驱动
B.
数据仓库使用的需求在开发出来后明确
C.
数据仓库开发是一个不断循环的过程
D.
数据仓库中数据的分析和处理十分灵活，没有固定的开发模式
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