Comments on: Decode COLUMNS_UPDATED () http://www.sql-server-performance.com/2011/columns-updated-bit-decode/ SQL Server Performance Tuning Fri, 17 May 2013 13:31:24 +0000 hourly 1 http://wordpress.org/?v=3.5.1 By: Guillermo Gutiérrez http://www.sql-server-performance.com/2011/columns-updated-bit-decode/#comment-3274 Guillermo Gutiérrez Thu, 21 Mar 2013 15:31:58 +0000 http://www.sql-server-performance.com/?=1925#comment-3274 Excellent post, just what I was looking for. Just one question: Why turn the column names into an XML, and then return them into a table? Why not put the column names directly in the return table variable? Because my guessing is that the XML could cause some extra overhead to the trigger.

INSERT @tblColumns
SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.COLUMNS Field
WHERE …

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