| 摘要 |
PROBLEM TO BE SOLVED: To provide a database connection system, which enables a database which is likely to fail in connection or a database which needs a long time for connection to receive an application request, and to provide a database connection device and a database connection method. SOLUTION: When an application process is started, one connection thread is created to one database to be connected from the application process. If one session to the database to be connected is established when communication with the database is needed due to an instruction is made to execute an application, and if the established session is available, the database is accessed using the established session to execute the application. COPYRIGHT: (C)2009,JPO&INPIT
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