Appeal No. 2000-0240
Application No. 08/285,534
BACKGROUND
Appellants’ invention relates to a distributed database management system which
combines multiple physical databases together to make a logical database. An
understanding of the invention can be derived from a reading of exemplary claim 39, which
is reproduced below.
39. A distributed database management system comprising:
a communication network;
at least a terminal device including application program execution
means connected to said communication network;
a plurality of information processors connected to said
communication network;
a plurality of physical databases installed in at least one of said
information processors;
at least a logical database grouping a plurality of said physical
databases, said logical database being defined by logical database
information stored in at least one of said terminal device and said plurality of
information processors;
at least a table stored in at least one of said physical databases; and
table location searching means installed in at least one of said
terminal device and said plurality of information processors, for searching a
table stored in at least one of said physical databases, when said table is
requested from said application program execution means, by searching a
group of physical databases defined in said logical database information.
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