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problem in persian character

SarahMay 9 2018 — edited May 12 2018

I’ve had a problem in querying Persian character (ی"") from oracle database in my client since I reinstall my windows and pl/sql developer.

The character set in my client’s registry is AMERICAN_AMERICA.AR8MSWIN1256.

When I use this query

select * from credit where CTYPE = 'تسهیلات'

it doesn’t match with any record.

But when I change the query to

select * from credit where CTYPE = N'تسهیلات'

It returns matched records.

How could I fix this problem without using “N”, because I should change all my old queries.

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Locked on Jun 9 2018

Added on May 9 2018

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