zOs/TX/PER01SPW

with u as
(         select * from gdb9998.tPer01x0
               where da between '01.01.2010' and '31.12.2010'
union all select * from gdb9998.tPer01x1
               where da between '01.01.2011' and '31.12.2011'
union all select * from gdb9998.tPer01x2
               where da between '01.01.2012' and '31.12.2012'
)
select count(*),  min(ix), max(ix)
     from u
 --  where da between '30.05.2011' and '02.06.2011'
     where da =       '30.05.2011'
       and ix between 0530000000  and 0602999999
;