join - SQL - Select from 2 tables almost identical tables -

i have set of 2 tables , trying achieve select both , , display table selected + active=1 set values taken table2 (in first table there boolean = active, in table2 active no need column there) wrote still want data being selected table2 set active in result.

i totally stuck, appreciate help.

create table `table1` (   `id` int(11) not null auto_increment,   `value` int(11) default null,   `active` bool default null, )   create table `table2` (   `id` int(11) not null auto_increment,   `value` int(11) default null,   primary key (`id`) ) 

select *, 't1' tablename table1  union  select *, true 'active', 't2' tablename table2 

demo