text: IF NOT EXISTS (SELECT * FROM sysobjects WHERE name='Pedido' and xtype='U')
      CREATE TABLE Pedido (
  		Id uniqueidentifier not null primary key,
          Codigo varchar(15) not null,
  		UsuarioId uniqueidentifier not null CONSTRAINT [FK_Pedido_Usuario] FOREIGN KEY([UsuarioId]) REFERENCES [dbo].[Usuario] ([Id]),
  		ValorTotal decimal(18,2) not null,
          PedidoStatus int not null,
  		CodigoUsuarioCadastro varchar(10) not null,
          NomeUsuarioCadastro varchar(100) not null,
          DataCadastro datetime not null
      )