Just replace it with chr(38):
insert into table values( 'http://localhost:8080/index.action?username=138&type=1 ');
insert into table values( 'http://localhost:8080/index.action?username=138 '||chr(38)|| 'type=1 ');
Just replace it with chr(38):
insert into table values( 'http://localhost:8080/index.action?username=138&type=1 ');
insert into table values( 'http://localhost:8080/index.action?username=138 '||chr(38)|| 'type=1 ');