| 摘要 |
<p>PROBLEM TO BE SOLVED: To appropriately downgrade firmware for managing a database.SOLUTION: An information processing device has a first-edition data storage unit, a first processing unit for restoring a first-edition firmware for managing the first edition data storage unit to a second-edition firmware that is a previous edition, and a second processing unit for restoring the content of the first-edition data storage unit to the content of a second-edition data storage unit managed by the second-edition firmware by deleting data, among the data stored in the first-edition data storage unit, that pertains to a function added when the second-edition firmware is updated to the first-edition firmware.</p> |
