The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 21, 2012
Filed:
Apr. 06, 2010
Bhashyam Ramesh, Secunderabad, IN;
Manjula Koppuravuri, Secunderabad, IN;
Bhashyam Ramesh, Secunderabad, IN;
Manjula Koppuravuri, Secunderabad, IN;
Teradata US, Inc., Dayton, OH (US);
Abstract
A computer system programmed as a database receives a query Q. Qincludes a predicate. The predicate includes a reference to a current timestamp of time TT. The database has R data structures. The computer system creates a plan, Plan, to execute Q. Planincludes the identification of a first set of data structures, P, to be accessed in executing Plan, at the current timestamp of time TT. The number of data structures in Pis less than R. The computer system determines that Planis valid for a period of time. The computer system stores in a cache Planand an indication that Planis valid for the period of time.