SELECT 
    MEMBER_CODE AS MEMBER,
    EMAIL AS EMAIL,
    SUBSTR(EMAIL, INSTR(EMAIL, '@') + 1, INSTR(EMAIL, '.co.jp') - INSTR(EMAIL, '@') - 1) AS DOMAIN
FROM 
    MEMBER_MST
WHERE 
    EMAIL LIKE '%.co.jp'
ORDER BY 
    DOMAIN DESC,
    MEMBER DESC;