Impact investigation system, impact investigation method and impact investigation program

摘要

An influence investigation system, an influence investigation method, and an influence investigation program for predicting the influence range of information used in a system in which a plurality of information processes are executed are provided. A control unit of an impact investigation system identifies all programs and output files that use a file to be investigated in a parameter file in which file identification information to be input to a program used for a job is recorded. The job report information storage unit that records the output information including the item information output in the specified program and the input information including the item information for deriving the output information, the input information is not recorded, and the investigation target From the output information in which the items are recorded, input information for deriving the output information is sequentially searched, the output items in the output stage are specified, and the influence range including the output file and the specified information of the output items is output. [Selection] Figure 1