Electrical computers and digital processing systems: multicomput – Distributed data processing – Client/server
Reexamination Certificate
2001-09-10
2009-08-25
Etienne, Ario (Department: 2457)
Electrical computers and digital processing systems: multicomput
Distributed data processing
Client/server
C709S239000, C709S241000
Reexamination Certificate
active
07580971
ABSTRACT:
A method and apparatus for efficiently processing data requests in a network oriented n-tier database environment is presented. According to one embodiment of the invention, certain or all data from the tables of a database server device can be maintained in tables on the client device in a client side database cache server system. This local cache allows the network oriented n-tier database system to eliminate the expense of repetitive network transmissions to respond to duplicate queries for the same information. Additionally, the local client device may also keep track of what data is cached on peer network nodes. This allows the client to request that data from a peer database cache server and off load that burden from the database server device. Moreover, the local client may also keep statistics regarding the frequency of requested data in order to optimize the data set maintained in the local database cache server.
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Chatterjee Debashish
Chidambaran Lakshminarayanan
Gollapudi Sreenivas
Roy Anindo
Saha Debashis
Etienne Ario
Oracle International Corporation
Sall El Hadji M
Vista IP Law Group LLP.
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