Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2007-12-04
2007-12-04
Chen, Susan (Department: 2161)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000
Reexamination Certificate
active
10256915
ABSTRACT:
A method and apparatus for performing computationally intensive calculations on a database server that provides a recovery mechanism is provided. These calculations involve a series of updates performed on data stored as data items in a database server. An existing recovery mechanism of the database server is used to store previous versions of the data items. The previous versions of the data items are subsequently retrieved from the recovery mechanism and used to determine whether the formula involved in the calculation should be modified, whether to continue the calculations with the current formula, or whether to terminate the calculations. By extending the functionality of the SELECT statement, the program can access the previous versions of the data items.
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Chen Susan
Hickman Palermo & Truong & Becker LLP
Oracle International Corporation
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