Data processing: database and file management or data structures – Database design – Data structure types
Patent
1998-01-13
1999-12-14
Amsbury, Wayne
Data processing: database and file management or data structures
Database design
Data structure types
707102, 707101, G06F 1730
Patent
active
060030283
ABSTRACT:
A process for extending the cognizable range of two-digit fixed-point number fields by encoding and decoding within existing size constraints of such fields in records and database segments stored with ASCII, EBCDIC and/or packed decimal representations in digital data processing systems, particularly adapted to application and database management software in mature in large mainframe computer installations. Numeric values provided by a human or automated source are evaluated to ascertain whether they fit within the range previously established for such fields and, if within the range, left undisturbed; otherwise they are encoded or decoded by a method which is transparent to existing software utilizing the records or segments, and which will be indexed and presented to existing software in the logically anticipated ascending or descending numeric sequence notwithstanding that the previously defined range of said fields, preferably utilized to render older software Year-2000 cognizant without reprogramming or rewriting old segments or records, or historic or backup copies thereof.
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Amsbury Wayne
Dyxlar North America, Inc.
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