1 -------------------------------------------------------------------

select * FROM photos p, users u
where p.uid = u.userid
and concat(p.title,' ', u.uname,' ', u.ulastname) like '%$search%' 


2 ------------------------------------------------------------------------

select  * FROM  photos p, users u 
where p.uid = u.userid
and p.title like '$search%'
and ( u.uname like '$search%' or u.ulastname like '$search%');