Can I add a column which is I specify as NOT NULL,I don\'t want to specify the DEFAULT value but MS-SQL 2005 says:
ALTER TABLE only allows columns to
As an option you can initially create Null-able column, then update your table column with valid not null values and finally ALTER column to set NOT NULL constraint:
ALTER TABLE MY_TABLE ADD STAGE INT NULL
GO
UPDATE MY_TABLE SET
GO
ALTER TABLE MY_TABLE ALTER COLUMN STAGE INT NOT NULL
GO