text: create procedure spSaveOrderItem
  @Id uniqueidentifier,
  @OrderId uniqueidentifier,
  @ProductId uniqueidentifier,
  @Quantity decimal,
  @Price money
  
  as
  insert into [OrderItem] (
      [Id],
      [OrderId],
      [ProductId],
      [Quantity],
      [Price]
  
  )
  values (
      @Id,
      @OrderId,
      @ProductId,
      @Quantity,
      @Price
  )