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Changing From US7ASCII or WE8ISO8859P1 or AR8ISO8859P6 to AR8MSWIN1256 in 8i, 9i, 10g and 11g. (Doc ID 260022.1)

Last updated on JANUARY 30, 2022

Applies to:

Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database - Standard Edition - Version to [Release 8.1.7 to 11.2]
Information in this document applies to any platform.


To provide a guide to
*or change the NLS_CHARACTERSET from US7ASCII , WE8ISO8859P1or AR8ISO8859P6 to AR8MSWIN1256
* or rescue Arabic data stored in a WE8IOS8859P1 or US7ASCII database

We strongly advice to follow this note also when using export/import from an US7ASCII, WE8ISO8859P1 or AR8ISO8859P6 to an AR8MSWIN1256 database.


This note is ONLY for 8i, 9i, 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 WE8ISO8859P1 or US7ASCII or AR8ISO8859P6 to AR8MSWIN1256


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