select u.usr_cde,u.usr_id_no,u.usr_name,u.usr_tel,u.usr_email from s_usr u where
usr_bch in ( Select bch_cde from s_bch where bch_sup_cde = '00080100' union all select '00080100' from dual )本文共 246 字，大约阅读时间需要 1 分钟。
select u.usr_cde,u.usr_id_no,u.usr_name,u.usr_tel,u.usr_email from s_usr u where
usr_bch in ( Select bch_cde from s_bch where bch_sup_cde = '00080100' union all select '00080100' from dual )转载于:https://www.cnblogs.com/choiyubo163com/p/orcle.html