METHOD, COMPUTER PROGRAM, AND SYSTEM FOR PHASED MIGRATION OF DATABASE SOFTWARE APPLICATION

摘要

PROBLEM TO BE SOLVED: To perform phased migration of a database software application release version or phased migration from certain version to the other software release version. SOLUTION: A phased migration method of a database software application is organized by steps of developing a database software application at a plurality of development phases. At least a part of the plurality of development phases is a method for having the step of necessitating changes of database schemata used in the database software application, and the step of executing migration for database phases by modifying the database schemata in sequence at the basis of the changes of database schemata necessary for respective phases regarding respective development phases necessary for the changes of the database schemata. COPYRIGHT: (C)2007,JPO&INPIT