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select * from V$VERSION;
| BANNER | BANNER_FULL | BANNER_LEGACY | CON_ID |
|---|---|---|---|
| Oracle Database 21c Express Edition Release 21.0.0.0.0 - Production | Oracle Database 21c Express Edition Release 21.0.0.0.0 - Production Version 21.3.0.0.0 |
Oracle Database 21c Express Edition Release 21.0.0.0.0 - Production | 0 |
select * from dual;
| DUMMY |
|---|
| X |
with test (col) as (
select
'L.A.D'
from
dual
union all
select
'L..D.'
from
dual
)
select
col,
case when max(ascii_of_one_character) > 255 then 'NOT OK' else 'OK' end result
from
(
select
col,
substr(col, column_value, 1) one_character,
ascii(
substr(col, column_value, 1)
) ascii_of_one_character
from
test cross
join table(
cast(
multiset(
select
level
from
dual connect by level <= length(col)
) as sys.odcinumberlist
)
)
)
group by
| COL | RESULT |
|---|---|
| L.A.D | OK |
| L..D. | NOT OK |