HANA是一个软硬件结合体，提供高性能的数据查询功能，用户可以直接对大量实时业务数据进行查询和分析，而不需要对业务数据进行建模、聚合。-HANA is a combination of hardware and software to provide high-performance data query capabilities, users can perform a large number of real-time business data query and analysis dir

使用java实现了基于凝聚的聚合簇类算法，可直接运行，数据输出可导入导出-Use java class implements cluster aggregation algorithm based on aggregated, can be directly run, the data output can import and export