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http://dx.doi.org/10.13089/JKIISC.2012.22.3.565

Research of organized data extraction method for digital investigation in relational database system  

Lee, Dong-Chan (Korea Institute for Defense Analyses)
Lee, Sang-Jin (Korea University)
Abstract
To investigate the business corruption, the obtainments of the business data such as personnel, manufacture, accounting and distribution etc., is absolutely necessary. Futhermore, the investigator should have the systematic extraction solution from the business data of the enterprise database, because most company manage each business data through the distributed database system, In the general business environment, the database exists in the system with upper layer application and big size file server. Besides, original resource data which input by user are distributed and stored in one or more table following the normalized rule. The earlier researches of the database structure analysis mainly handled the table relation for database's optimization and visualization. But, in the point of the digital forensic, the data, itself analysis is more important than the table relation. This paper suggests the extraction technique from the table relation which already defined in the database. Moreover, by the systematic analysis process based on the domain knowledge, analyzes the original business data structure stored in the database and proposes the solution to extract table which is related incident.
Keywords
Database Forensics; Database Reverse Engineering;
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