if not Exists(SELECT * FROM information_schema.tables where Table_name = 'ProductFormulCombine') begin create table dbo.ProductFormulCombine ( ID int Primary key, Code int null, PFC_ID int references dbo.ProductFormulCombine(ID) null, Title nvarchar(300), Description nvarchar(1000), Priority int null, Dom_ID_Status int references dbo.Domain(ID) null, PF_ID int references dbo.ProductFormul(ID) null ) end