oracle - How to find Latin characters in a table? -


i have table has first name , last name in oracle

there name has latin characters in it. have written query find out them shows no results . please see if right 

select first_name, second_name customer_table  length(asciistr(first_name))!=length(first_name)

please advice

update :

my data corrupt , same query works.

i have question same

is there way save latin e ascii e while saving in db ?

oracle has utility purpose. csscan.

see documentation


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