Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2006-11-17
2009-06-23
Ali, Mohammad (Department: 2161)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000
Reexamination Certificate
active
07552108
ABSTRACT:
A system for multicolumn ordering includes a processor and a data store. The data store stores a table including a plurality of category and data columns. The processor applies key prefixes to column data values of a plurality of the data columns to form and store in the data store a set of prefixed data values. The processor then orders the set of prefixed data values in a first compound column and one or more category columns in a second compound column and responsive to the first and second compound columns selects and stores a subset for further processing.
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Ali Mohammad
International Business Machines - Corporation
Le Jessica N
Schiesser William E.
Schmeiser Olsen & Watts
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