| 摘要 |
A database migration management apparatus includes: a data storage destination decision unit for deciding to place target data in a first database and a second database when there exists an access pattern; and a migration schedule decision unit for, when the data storage destination decision unit places the target data in the first database and the second database: distinguishing a period during which the number of write access is equal to or more than a specified number to decide a migration schedule such that the target data obtained over a period corresponding to the distinguished period is placed in the first database; and distinguishing a period during which the number of read access is equal to or more than a specified number to decide a migration schedule such that the target data obtained over a period corresponding to the distinguished period is placed in the second database. |
