How can foreign key constraints be temporarily disabled using T-SQL?

Question

Are disabling and enabling foreign key constraints supported in SQL Server? Or is my only option to drop and then re-create

Answer 1

http://www.sqljunkies.com/WebLog/roman/archive/2005/01/30/7037.aspx

-- Disable all table constraints

ALTER TABLE MyTable NOCHECK CONSTRAINT ALL

-- Enable all table constraints

ALTER TABLE MyTable WITH CHECK CHECK CONSTRAINT ALL

-- Disable single constraint

ALTER TABLE MyTable NOCHECK CONSTRAINT MyConstraint

-- Enable single constraint

ALTER TABLE MyTable WITH CHECK CHECK CONSTRAINT MyConstraint