Thanks, Hilmar.

>>However, I should not use UPPER function with BINTOC. So, it's my error and I will now be more careful.
>>
>>Thanks to you and Cetin.
>
>Nadya,
>
>For your reference, there is one other thing thou shalt not do with indices that include BINTOC(): use collating sequence other than "MACHINE". This will implicitly convert to UPPER(), and do some other things, too.
>
>Collating sequences are sometimes used for non-English applications, to ensure correct sorting of characters with diacritical marks (accents, etc.).
>
>Regards, Hilmar.