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哪种类型的系统(列式存储、OLAP、Exadata 等)为快速向上和向下钻取大型数据集(超过 4 亿行)提供了最佳解决方案?我知道这是一个非常模糊的问题,但列式存储数据库、OLAP 环境,甚至是 Exadata 等 OLTP 与此类活动相比如何?