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Oracle DockerをUTF8化する

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まとめ

環境変数ORACLE_CHARACTERSETにAL32UTF8を設定してデータベース作成することでUTF8化される。

OracleのDocker化

Oracle Docker化のやり方は他に情報がたくさんあるので省略する。下記あたりを参照。
https://github.com/oracle/docker-images/blob/main/OracleDatabase/SingleInstance/README.md
https://qiita.com/gorilla0513/items/f22e8cce4e08da031abe

docker-compose.yml

docker-compose.yml
version: "3"
services:
  oracle:
    image: oracle/database:19.3.0-ee
    volumes:
      - ./oracle/oradata:/opt/oracle/oradata
      - ./oracle/init:/docker-entrypoint-initdb.d/startup
    ports:
      - 1521:1521
      - 18080:8080
      - 5500:5500
    environment:
        - ORACLE_PWD=testpwd
        - ORACLE_PDB=testdb
        - ORACLE_CHARACTERSET=AL32UTF8
        - NLS_LANG=Japanese_Japan.AL32UTF8
charset確認
SELECT NLS_CHARSET_NAME(NLS_CHARSET_ID('CHAR_CS')),
       NLS_CHARSET_NAME(NLS_CHARSET_ID('NCHAR_CS')) FROM DUAL;

NLS_CHAR NLS_CHARS
-------- ---------
AL32UTF8 AL16UTF16
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