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Changing From WE8MSWIN1252 to AR8MSWIN1256 10g and 11g. (Doc ID 2020528.1)

Last updated on JANUARY 07, 2020

Applies to:

Oracle Database - Standard Edition - Version to [Release 10.1 to 11.2]
Oracle Database - Enterprise Edition - Version to [Release 10.1 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


To provide a guide to change the NLS_CHARACTERSET from WE8MSWIN1252 to AR8MSWIN1256
We strongly advice to follow this note also when using export/import from an WE8MSWIN1252 to an AR8MSWIN1256 database.


conn / as sysdba
select value from NLS_DATABASE_PARAMETERS where parameter='NLS_CHARACTERSET';

This note is ONLY for 10g and 11g it cannot be used for Oracle RDBMS 12c
For other characterset conversions and Oracle 12c please see <Note 225912.1> Changing the Database Character Set ( NLS_CHARACTERSET )


Any DBA wanting to change the current NLS_CHARACTERSET from WE8MSWIN1252 to AR8MSWIN1256


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