if not Exists(SELECT * FROM information_schema.tables where Table_name = 'SalaryReceiptItem') begin create table SalaryReceiptItem ( ID int Primary Key identity(1,1), SR_ID int references SalaryReceipt(ID) not null, PD_ID int references PrescriptionDetail(ID) null, Dom_ID_RowType int references domain(ID) not null, Dom_ID_DocType int references domain(ID) not null, Price decimal(19,4) not null, SS_ID int references SalarySheet(ID) null, Description nvarchar(1000) null ) end