A system includes: processing circuitry and a database which stores target data to be accessed by a plurality of information processing apparatus each of which executes a software program that issues a request to access the target data, the request including version information regarding the software program which issued the request and is being updated from a first version to a second version. The processing circuitry is configured to: update the database by transferring data from a first database relating to the first version to a second database relating to the second version; receive the request from one of the plurality of information processing apparatuses during the updating of the database; and determine a transmission destination of the received request based on the version information included in the received request and a condition of whether or not the target data is transferred from the first database to the second database.