| 摘要 |
<p>A database changing system for changing a database from a relational database to an object database quickly and reliably, comprising RDB definition information extracting means (11) for extracting RDB definition information from an RDB repository (21) where definition information about a relational database (20) which is to be changed to an object database (30) and repository creating means (12) for creating from the extracted RDB definition information an ODB repository (31) where definition information about the object database corresponding to the extracted RDB definition information is described and creating a correlation information repository (15) for defining the relationship between the RDB definition information and the ODB definition information, whereby the existing relational database is changed to an object database. A program storage medium on which the changing program is recorded is also disclosed.</p> |
