Appeal No. 2001-1605
Application 08/735,168
Bireley also solves the problem of dynamically disabling one
or more modes of parallelism at the system level without the need
to reconfigure the originating database management system.
Bireley includes a dynamic mechanism providing selective
disablement of the different modes of parallelism within a shared
database management system. The mechanism allows a system
administrator to dynamically respond to system utilization levels
by selectively disabling parallel modes. See column 6, line 66,
through column 7, line 6, of Bireley.
Finally, Bireley solves the problem of reducing workfile
overhead in a shared database management system by providing a
consuming database management system read-only access to a
producing database management’s working files. Bireley also
includes a system and method for a consuming database management
system in a shared database management system to only have read
access to a producing database management working file. See
column 7, lines 35 through 45, of Bireley. We will refer to
these four problems as query, parallelism, selective disabling of
parallel modes, and bufferpool coherency for working file data.
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