| 摘要 |
PROBLEM TO BE SOLVED: To prevent exhaustion of a storage area that stores access regulation information in a secondary control apparatus.SOLUTION: A secondary control apparatus, which is a standby system, of a primary control apparatus for controlling access to a database receives access regulation information for regulating execution contents of processing in accessing the database and a query sentence to a database corresponding to the access regulation information, from the primary control apparatus, to be stored in a storage section, and deletes the access regulation information stored in the storage section and corresponding to a released connection, on receipt of a notice of a connection release of access based on the query sentence, between the primary control apparatus and a terminal device accessing the database via the primary control apparatus.SELECTED DRAWING: Figure 16 |
