数据挖掘的方法，包括聚类算法，多维数组分析和数据挖掘模型的设计和实现-Data mining methods, including clustering, multi-dimensional array of analysis and data mining models in the design and implementation

SQL 多表联合查询，实现动态语言查询，可加注到储存过程实现每天自动更新数据数(BC组)。-SQL multi-table queries, dynamic language queries, stored procedures can be raised to automatically update the data count (BC group) every day.