Multi-processor computer system for operating parallel client/server database processes
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United States of America Patent
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Nov 10, 1998
Grant Date -
N/A
app pub date -
Apr 4, 1994
filing date -
Apr 4, 1994
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Abstract
A method and apparatus for operating parallel databases in a multi-processor computer system. Client Applications interact with a Navigation Server executing on the computer system, and through it, with one or more Data Servers. The Navigation Server receives requests from the Client Applications, which it compiles or translates into a plurality of parallel SQL statements. These parallel SQL statements are communicated to particular ones of the Data Servers for execution. The Data Servers, each of which may execute on different processors in the computer system, perform their respective SQL statements and thus access their database partitions concurrently and in parallel, thereby reducing the overall access time of a given request from a given Client Application. The computer system behaves, and is presented to users, as if the database resides under the control of a single Data Server, even though the database is partitioned across multiple Data Servers.
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