Replacing an unavailable element in a query

Details Replacing an unavailable element in a query Replacing an unavailable element in a query

2007-11-13

2007-11-13

Wong, Don (Department: 2163)

Data processing: database and file management or data structures

Database design

Data structure types

Reexamination Certificate

active

10753514

ABSTRACT:
A method, apparatus, system, and signal-bearing medium that in an embodiment replace an element in a query with a backup if the element is not available, but the backup is available. An element may also be removed from the query if the element is not required. In various embodiments, the element may be a table or a user-defined function. In this way, the query may still execute even if the element is not available.

REFERENCES:
patent: 2004/0199553 (2004-10-01), Byrne et al.
patent: 2005/0034124 (2005-02-01), House et al.
patent: 2005/0038781 (2005-02-01), Ferrari et al.
patent: 2005/0131872 (2005-06-01), Calbucci et al.

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