Patents Assigned to NTT Communicationware Corporation
  • Patent number: 6374243
    Abstract: The present invention relates a database access system comprising: a plurality of database servers, each of which accommodates a database; and an application server which is connected to the above-mentioned plurality of database servers. The application server comprises a plurality of local transaction managers, each of which corresponds to each of the databases, and individually processes transactions for updating the corresponding database; and a distributed transaction manager which individually provides commands for database updating to the transaction managers.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: April 16, 2002
    Assignee: NTT Communicationware Corporation
    Inventors: Kazue Kobayashi, Toru Nagaoka, Masashi Sakata