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Sql plus does not show English

SQL plus does not show English as shown here.

sql plus

and also returns an error for the username and password of the system, even the correct username and password! Error ORA-12560: TNS: protocol adapter error, what should I do d ???

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This problem occurs when the console code page does not match the Oracle client NLS_LANG parameter .

NLS_LANG you can set the Windows registry key change HKEY_LOCAL_MACHINE \ SOFTWARE \ ORACLE \ NLS_LANG or define the environment variable NLS_LANG.

Example of setting a parameter for a console session:

set NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1

The console code folder that you can install does the following:

 chcp 850
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Source: https://habr.com/ru/post/901670/

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