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:
Jun. 26, 2001
Filed:
Jun. 16, 1998
David L. Johnson, Seattle, WA (US);
David R. Parlin, Redmond, WA (US);
R. Scott Wigton, Redmond, WA (US);
Warren G. Stevens, Redmond, WA (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
A stack-language interface between a client application and its underlying database. To query the database, the client application passes a search expression to a database API. The search expression includes simple operands, which define values for individual search criteria, and one or more operators, which define the logical relationship between two or more operands. Upon receiving the search expression, the database API searches the database to retrieve records satisfying the search criteria. For each record, the database API executes the search expression on the stack machine to determine if the record matches the search criteria as defined by the operands and operators in the search expression. Once the relevant records are retrieved, the database API may present a list of objects representing those records to the client application.