text: select * from car_model;
  
  set serveroutput on;
  set verify off;
  
  declare	
  	
  begin
  	dbms_output.put_line(chr(10)||'---SELECT TABLE TO DELETE FROM---');
  	dbms_output.put_line(chr(10)||'1. Car Model');
  	dbms_output.put_line(chr(10)||'2. Car Revenue');
  end; 
  /
  
  declare	
  	id number;
  	n number;
  begin
  	n := &Table;
  	id := &ID;
  	if n = 1 then
  		delete from car_model where m_id = id;
  	elsif n = 2 then
  		delete from car_revenue@server1 where r_id = id;	
  	else
  		dbms_output.put_line(chr(10)||'No such table exists.'); 
  	end if;
  commit;
  end;
  /