Virtual columns

Details Virtual columns Virtual columns

2007-11-27

2007-11-27

Hwang, Joon Hwan (Department: 2166)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000

Reexamination Certificate

active

11035568

ABSTRACT:
Embodiments are provided for associating a virtual column with a target physical table. The data for the virtual column originates from a source physical table where the data physically resides. In this way, users can access the data in a manner consistent with the users' logical perspective of the data.

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