IF NOT EXISTS (SELECT * FROM SYSCOLUMNS INNER JOIN SYSOBJECTS ON SYSOBJECTS.id = SYSCOLUMNS.id 
               WHERE SYSCOLUMNS.NAME = 'TUMSUBEILECALISIR' AND SYSOBJECTS.name = 'CARI')
ALTER TABLE CARI 
	Add TUMSUBEILECALISIR bit not null CONSTRAINT [DF_HCARI_TUMSUBEILECALISIR]  DEFAULT (1)
GO