When you set a column default value, SQL Server creates a constraint with a randomly generated name. This default value constraint must be deleted before a new default value can be added.<br /><br />Currently the AlterColumn method simply generates an query with ADD CONSTRAINT. <br /><br />See this Stackoverflow issue: http://stackoverflow.com/questions/11974439/changing-column-default-values-in-ef5-code-first/11978952<br />
Comments: Consider for EF6
Comments: Consider for EF6