Patent ID: 6892197
Filing Date: 2005-05-10
Classification: G06F,Y10S

Abstract:
1. An automated method for changing over an existing relational database to a new and separate persistent object database where the relational database persistently stores a set of data as relational data and where the object database persistently stores objects as database entities corresponding to the relational data without using the relational database, said method comprising: automatically extracting RDB definition information from an RDB repository describing therein definition information of the relational database, the definition information describing at least tables in the relational database, which is a transition object from which the object database is to be created; and automatically creating an ODB repository describing therein definition information of the object database associated with the RDB definition information in accordance with the extracted RDB definition information and creating a correlation information repository defining mutual relationship between the RDB definition information and ODB definition information.