oracle高手进
为什么这样差不出值来,数据库中是有值的
selectwm_concat(decode(a,'01','aa',a))from(selectregexp_substr(t.gwys_1,'[^,]+',1,rownum)a,t.pk_dyccqsfjlb_ididfrommchis.jdh_mcheck_firsttconnectbyrownum