Integrated database system and computer-readable recording medium recorded with program for managing database structure thereof

摘要

An integrated database system and a computer-readable recording medium recorded with a program for managing a database structure thereof which reduce work load and work cost by a relational database and a nonrelational database being integrated into a single system comprising storing means holding a database wherein a single record is made up of a record part of a relational database and a record part of a nonrelational database and the record part of the nonrelational database is made up of a parent record part only or a parent record part and at least one child record part linked to the parent record part and processing means for carrying out relational operation and data manipulation on the database.