Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mohamed Ziauddin0
Karl Dias0
Khaled Yagoub0
Mohamed Zait0
Benoit Dageville0
Date of Patent
December 15, 2009
Patent Application Number
10936426
Date Filed
September 7, 2004
Patent Primary Examiner
Patent abstract
A method to addresses structural performance problems of a database query language statement is provided. The method includes receiving a database query language statement at an optimizer, evaluating choices in a search space to generate an execution plan for the statement, and producing annotations to record one or more reasons for selecting each choice while generating the execution plan.
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