Patent №
US 8,078,652
Granted
2011-12-13
Filed 2007
Owner
ORACLE INTERNATIONAL CORPORATION
Lab
—
AI components
2
kr · hardware
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
11951890
Techniques are described herein for performing column functions on virtual columns in database tables. A virtual column is defined by the database to contain results of a defining expression. Statistics are collected and maintained for virtual columns. Indexing is performed on virtual columns. Referential integrity is maintained between two tables using virtual columns as keys. Join predicate push-down operations are also performed using virtual columns.
AI classification
Ownership
ORACLE INTERNATIONAL CORPORATION
assignment · 202120819
Assignors
BASU, SUBHRANSU, BEDI, HARMEEK SINGH
On an employer assignment, the assignors are typically the inventors.