select locale from ad_locale_user_prefs where user_id = :user_id select count(*) from ad_locale_user_prefs where user_id = :user_id update ad_locale_user_prefs set locale = :locale where user_id = :user_id insert into ad_locale_user_prefs (user_id, locale) values (:user_id, :locale) delete from ad_locale_user_prefs where user_id = :user_id