Prob. with finding the unique special characters

Hi Friends,
I have a table having special characters as data
ex:
š
Š
Ř
Š
ř
Ř
when i query for distinct (unique) data as "select distinct(entity) from tname;
it results
Š
Ř
I need unique values (upper and lower spsl charcters has different ascii) as
š
Š
Ř
ř
Please help me to accomplish this task.
Thanks
Maha

Have you tried
select distinct entity, ascii(entity) from tname;Cheers
Sarma.

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