update t_code set mingcheng=(select gwdj from
(select t_jbxx_jbxx.gwdj,t_gwbz_gwxx.gwdj from t_jbxx_jbxx,t_code,t_gwbz_gwxx where t_jbxx_jbxx.gwdj=t_gwbz_gwxx.gwid and t_jbxx_jbxx.xcdj=t_code.daima)
a where a.gwdj=t_code.gwdj);
(select t_jbxx_jbxx.gwdj,t_gwbz_gwxx.gwdj from t_jbxx_jbxx,t_code,t_gwbz_gwxx where t_jbxx_jbxx.gwdj=t_gwbz_gwxx.gwid and t_jbxx_jbxx.xcdj=t_code.daima)
a where a.gwdj=t_code.gwdj);
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货