STOREAGE CHANGING METHOD, DEVICE THEREFOR AND MACHINE READABLE RECORDING MEDIUM RECORDING ITS PROGRAM

摘要

PROBLEM TO BE SOLVED: To make it unnecessary to regenerate a DML object in the case of changing storage definition in a relational data base system. SOLUTION: When an operator inputs a storage definition changing instruction from an input device 4, a directory changing means 111 executes processing for turning a table specifying a storage 211 to be changed at its definition as an output destination to a closed state and saving the data of the table to an arrival order data storing part 31 by using a data base storing means 12, processing for changing the definition 'STORAGE ST1 RANDOM' of the storage 211 in a directory 22 and processing for restoring data in the storage 211 in accordance with the changed definition of the storage 211.