Data processing: database and file management or data structures – Database and file access – Query optimization
Reexamination Certificate
2011-03-29
2011-03-29
Le, Debbie (Department: 2168)
Data processing: database and file management or data structures
Database and file access
Query optimization
C707S696000, C707S705000, C707S711000, C707S759000
Reexamination Certificate
active
07917499
ABSTRACT:
An index update component updates an index of a database in response to a query to the database referencing the index. An index control record tracks the last time the index was referenced and state of the index compared to the state of the database. An index deletion component deletes indexes in the database that have not been referenced for a period of time.
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Kleewein James Charles
Sundararajan Narasimhan
Terek F. Soner
Gortayo Dangelino N
Le Debbie
Microsoft Corporation
Senniger Powers LLP
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