IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'kol' AND COLUMN_NAME = 'CodeHesab') begin print 'Ok' end else begin alter table kol Add CodeHesab bigint not null default 0 end IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'Moin' AND COLUMN_NAME = 'CodeHesab') begin print 'Ok' end else begin alter table Moin Add CodeHesab bigint not null default 0 end