有个问题困扰住了，求前辈们指点

create or replace procedure testtt(sttime in varchar2,endtime in varchar2,jgddm in varchar2,zbbmin varchar2) as cursor c is select zbbm from CEN_ETL_V20.TB_DIC_GZBH; cursor d is select jgdm from CEN_ETL_V20.TB_DQ_RGFX_YWSJ union ...