将一张表中的字段更新到另一张表的sql

UPDATE tb_user a INNER JOIN tb_doctor s ON s.id=a.id SET a.AVATAR=s.AVATAR

UPDATE tb_user a INNER JOIN tb_doctor_center s ON s.id=a.id SET a.real_name=s.name

UPDATE tb_user a INNER JOIN tb_inquirer s ON s.id=a.id SET a.AVATAR=s.AVATAR

UPDATE tb_user a INNER JOIN tb_inquirer s ON s.id=a.id SET a.real_name=s.nickname