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Changing WE8ISO8859P15 to WE8MSWIN1252 in 8i, 9i, 10g and 11g. (Doc ID 246008.1)

Last updated on NOVEMBER 06, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 8.1.7.4 to 11.2.0.4 [Release 8.1.7 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
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Purpose

To provide a guide to change the NLS_CHARACTERSET from WE8ISO8859P15 to WE8MSWIN1252.

We strongly advice to follow this note also when using export/import from a WE8ISO8859P15 to a WE8MSWIN1252 database.

The current NLS_CHARACTERSET is seen in NLS_DATABASE_PARAMETERS.

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

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 )

Scope

Any DBA wanting to change the current NLS_CHARACTERSET from WE8ISO8859P15 to WE8MSWIN1252.

Why use WE8MSWIN1252 and not WE8ISO8859P15?
 <Note 264294.1> Choosing from WE8ISO8859P1, WE8ISO8859P15 or WE8MSWIN1252 as db character set

Details

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