Data processing: database and file management or data structures – Database design – Database and data structure management
Reexamination Certificate
2011-05-31
2011-05-31
Ehichioya, Fred I (Department: 2156)
Data processing: database and file management or data structures
Database design
Database and data structure management
C715S255000
Reexamination Certificate
active
07953761
ABSTRACT:
A plan generating unit generates an execution plan based on a retrieval request. An acquiring unit acquires, from a structure-information storing unit, statistical information corresponding to a logical structure to be retrieved. An associating unit acquires, from a rule storing unit, an expression format corresponding to a condition satisfied by the statistical information acquired and associates the expression format with the execution plan. A plan executing unit represents a retrieval result obtained by executing the execution plan received from a retrieving apparatus in the expression format associated with the execution plan. A result transmitting unit transmits the retrieval result to the retrieving apparatus.
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Ehichioya Fred I
Kabushiki Kaisha Toshiba
Turocy & Watson LLP
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