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Oracle Database にて CDB の文字コードを JA16SJISTILDE に変更する方法

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概要

Oracle Database にて CDB の文字コードを変更した際の実行結果を共有します。

手順

1. 既存の文字コードを確認

sqlplus /  as sysdba
SELECT VALUE FROM NLS_DATABASE_PARAMETERS WHERE PARAMETER='NLS_CHARACTERSET';

image.png

2. 文字コードを変更

SHUTDOWN IMMEDIATE;
STARTUP MOUNT;
ALTER SYSTEM ENABLE RESTRICTED SESSION;
ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
ALTER SYSTEM SET AQ_TM_PROCESSES=0;
ALTER DATABASE OPEN;
ALTER DATABASE CHARACTER SET INTERNAL_USE JA16SJISTILDE;
SHUTDOWN IMMEDIATE;
STARTUP;

image.png

3. 文字コードが変更されたことを確認

SELECT VALUE FROM NLS_DATABASE_PARAMETERS WHERE PARAMETER='NLS_CHARACTERSET';

image.png

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