declare 
   -- Local variables here
 
   i integer:= 2 ;
   j integer:= 1 ;
   cur    INTEGER ;
   ret    INTEGER; 
   sqlStr VARCHAR2( 200 ):='update temp01 set id='||i||' where id='||j;      
         
begin
   -- Test statements here
 
  cur := dbms_sql.open_cursor;
  dbms_sql.parse(cur, sqlStr, dbms_sql.v7);
  ret := dbms_sql.execute(cur);
  dbms_sql.close_cursor(cur); 
         
end;

declare 
   -- Local variables here
 
   i integer:= 3 ;
   j integer:= 2 ;
   sqlStr VARCHAR2( 200 ):='update temp01 set id=:i where id=:j';      
         
begin
   -- Test statements here
 
 EXECUTE IMMEDIATE sqlStr USING i,j;
         
end;