declare
    C_REGION constant    varchar2(20) := 'us-ashburn-1';
    C_NAMESPACE constant varchar2(20) := 'ネームスペースに置き換え';
    C_BUCKET constant    varchar2(20) := 'bricks';
    C_FILENAME constant  varchar2(20) := 'bricks';
    l_path varchar2(400);
begin
    l_path := 'https://objectstorage.' || C_REGION || '.oraclecloud.com/n/' || C_NAMESPACE
        || '/b/' || C_BUCKET || '/o/' || C_FILENAME;
    dbms_output.put_line(l_path);
    dbms_cloud.export_data
    (
        credential_name => 'DEF_CRED'
        , file_uri_list => l_path
        , format => json_object('type' value 'csv')
        , query => 'SELECT * FROM bricks'
    );
END;
/