VIRTUAL DB SYSTEM, AND INFORMATION PROCESSING METHOD OF VIRTUAL DB SYSTEM

摘要

PROBLEM TO BE SOLVED: To unitarily process information including information (event notice) transmitted from a data source side in a virtual DB.SOLUTION: A virtual DB system 1000 comprises a virtual DB server 100 and an adapter 30 corresponding to a data source transmitting event notice. The adapter 30 comprises an event notice processing part 300 which receives event notice transmitted from the data source and transmits the event notice to an AP 2 via the virtual DB server 100 as a response to a reference query from the AP 2.