ALTER TABLE
	GhibliMovies
ADD
	Director VARCHAR(255) NULL
CONSTRAINT
	director_check CHECK (Director in ('Hayao Miyazaki', 'Isao Takahata', 'Yoshifumi Kondo', 'Goro Miyazaki', 'Hiromasa Yonebayashi'))
DEFAULT
	'Hayao Miyazaki' with values;

http://msdn.microsoft.com/en-us/library/ms190273.aspx

Example of SQL syntax to add a new column to an existing table, define a default value to the columns for the existing rows and also add a check constraint to limit the values that the column can hold.

SQL - SQL Server - Add Column with Default Value and Check Constraint

sql, table, server

SQL