Patent ID: 7162491

Claim:
A data processing system having a storage device for recording data which belongs to an object representing a target event, in which one or more tables are stored in the storage device, each of the tables defining the number of data recordable areas, and each of the objects and recording areas in each table individualized by an identifier capable of taking numerical form, said system comprising: specification means for specifying an identifier related to the data concerned and the number of recording areas of the table to be accessed in response to a data accessing request; range of area determining means for determining the range of recording areas in the table to be accessed by executing a predetermined computational algorithm which uses as variable factors at least the identifier and the number of recording areas specified by said specification means; and recording area managing means for recording the number of data recording areas assignable to each object in each of said one or more tables; wherein said specification means specifies the number of recording areas of the table to be accessed by checking said recording area managing means in response to the data accessing request, and wherein said accessing request is executed with regard to said determined range of recording area.