Granted Patent
Utility
US 6,598,044 · App. 10/183,190
Method for choosing optimal query execution plan for multiple defined equivalent query expressions
Inventors:
Florian Michael Waas, Cesar A. Galindo-Legaria, Goetz Graefe
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Jun 25, 2002
Inventors
Florian Michael Waas
Cesar A. Galindo-Legaria
Goetz Graefe
Assignee (at issue)
Microsoft Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.