Add Column If Does Not Exist

This code will assist in helping you create a column should it not already exist.

IF COLUMNPROPERTY(OBJECT_ID('dbo.address'), 'zip4', 'ColumnId') IS NULL
BEGIN
	ALTER TABLE address
	ADD zip4 INT NULL
END

Originally Posted on November 12, 2013
Last Updated on October 26, 2015

All information on this site is shared with the intention to help. Before any source code or program is ran on a production (non-development) system it is suggested you test it and fully understand what it is doing not just what it appears it is doing. I accept no responsibility for any damage you may do with this code.

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