zOs/SQL/DEC

select decimal(123,10,2) * 123 / 100 from sysibm.sysDummy1
;
x
select 1 from sysibm.sysDummy1
  where dec(1, 15, 5) / dec(1, 15, 5) > 0
;
select 1 from sysibm.sysDummy1
  where dec(1, 15, 8) / dec(1, 15, 5) > 0
;
select 1 from sysibm.sysDummy1
  where dec(1, 15, 2) / dec(1, 15, 5) > 0
;
select  dec(1, 15, 5) / dec(1, 15, 5)
    from sysibm.sysdummy1
;
select  dec(1, 15, 8) / dec(1, 15, 5)
    from sysibm.sysdummy1
;
select  dec(1, 15, 2) / dec(1, 15, 5)
    from sysibm.sysdummy1
;