Method and apparatus for extracting data from a data store

Details Method and apparatus for extracting data from a data store Method and apparatus for extracting data from a data store

2007-12-21

2011-11-01

Leroux, Etienne (Department: 2161)

Data processing: database and file management or data structures

Database and file access

Record, file, and data search and comparisons

C707S765000, C717S173000

Reexamination Certificate

active

08051093

ABSTRACT:
A method includes defining a general query for extracting data from at least one data store operable to store workpiece data associated with the processing of workpieces in a manufacturing system. The general query specifies at least one ambiguous parameter having a plurality of potential values. Metadata associated with the workpiece data is accessed. The metadata is employed to identify a plurality of candidate values for the at least one ambiguous parameter. A plurality of atomic queries is generated. Each atomic query is associated with one of the candidate values. The plurality of atomic queries is executed to extract data from the at least one data store and generate an output report including the extracted data.

REFERENCES:
patent: 6904433 (2005-06-01), Kapitskaia et al.
patent: 2005/0004774 (2005-01-01), Volk et al.
patent: 2006/0010416 (2006-01-01), Keck et al.
patent: 2007/0118549 (2007-05-01), Bornhoevd et al.

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