oracle遊標遍歷的三種方式

第一種:loopsql declare cursor c1 is select sno,cno,grade from sc; v_sno sc.sno%type; v_cno sc.cno%type; v_grade sc.grade%type; begin open c1; loop fetch c1 into v_sno,v_cn
相關文章
相關標籤/搜索