Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2005-08-30
2005-08-30
Rones, Charles (Department: 2165)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000, C707S793000, C707S793000, C709S221000, C709S223000
Reexamination Certificate
active
06938055
ABSTRACT:
A data processing system is provided for quickly and appropriately handling alteration to shared data stored in main-memory areas of a plurality of machines connected via a network. The system has a transaction acceptor for accepting a request for executing the transaction, a transaction-execution manager for managing the execution of the transaction, a transaction executor for executing the transaction, a transcription processor for reflecting updated data sent from the base host on the replica data, a data monitor for monitoring whether data has been altered, and a register/deleter for registering/deleting positional information on at least a piece of data to be monitored for alteration to the data contents and an alteration-synchronizing transaction to be executed when the data has been altered, the alteration-synchronizing transaction being registered/deleted in relation to the data. On detection of alteration made to the data being monitored by the data monitor, the alteration-synchronizing transaction registered in relation to the altered data is read out and executed by the transaction executor.
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Fujihara Mutsumi
Iida Takuro
Kamimura Shuichi
Kabushiki Kaisha Toshiba
Rones Charles
Veillard Jacques
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