公开(公告)号：US20150032708A1

公开(公告)日：2015-01-29

申请号：US14339829

申请日：2014-07-24

Applicant: Hitachi, Ltd.

Inventor： Yasunori HASHIMOTO ,  Ryota MIBE ,  Kentaro YOSHIMURA ,  Hirofumi DANNO ,  Keishi OSHIMA ,  Sadahiro ISHIKAWA ,  Kiyoshi YAMAGUCHI

IPC: G06F17/30

CPC classification number: G06F16/221 ,  G06F16/24564

Abstract: A database analysis apparatus pays its attention to table columns more than two constituting a table among plural tables that a database holds, and analyzes automatically a dependence and a limitation condition that exist between the table columns from a tendency of appearance at the same time of data which each table column maintains, which comprises a data category calculation means to calculate a method of categorizing a data group from association rules generated from the data group of two or more table columns and an association rules reconstruction means to generate association rules of the best granularity by reconstructing the association rules based on the result of the above categorizing.

Abstract translation: 数据库分析装置将数据库分析装置注意到数据库所保存的多个表之中的两个以上的表的列，并且从数据的同时出现的趋势自动分析存在于表列之间的依赖性和限制条件 其包括数据类别计算装置，用于计算从两个或多个表列的数据组生成的关联规则和关联规则重构装置中对数据组进行分类的方法，以生成最佳粒度的关联规则 通过根据上述分类的结果重建关联规则。