How to enter newline character in Oracle?

Question

select col1, col2
    into name1, name2
    from table1
    where col1=col;

        m_sub := \'Subject \';
    m_msg := \'Hello \'||name||\' ,\'||/n||/n||\'Your ord         


        

Answer 1

begin   
   dbms_output.put_line( 'hello' ||chr(13) || chr(10) || 'world' );
end;