Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 21, 2010
Patent Application Number
10957409
Date Filed
October 1, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
Database management systems allow modification of existing table rows through update statements or other data modification commands. For example, a user may specify, via a command statement, the table to update, the columns to modify and their respective new value(s), and qualify the rows to be updated. Optimized constraint and index maintenance for data modification statements and commands is provided where the new value being assigned to the columns is actually the same as the current value, e.g., update commands that actually leave the columns unchanged.
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