１.
DECLARE
TYPE ref_cursor_type IS ref CURSOR;
v_mycursor ref_cursor_type;
TYPE id_list IS TABLE OF integer;
TYPE name_list IS TABLE OF varchar2(30);
v_tabid id_list:=id_list();
v_tabname name_list:=name_list();
sql_str varchar2(200);
BEGIN
--查询所以行,放在集合里
sql_str:='select empno,ename from emp';
sql_str:=sql_str//' order by empno desc';
execute immediate sql_str BULK COLLECT INTO v_tabid,v_tabname;
FOR c IN v_tabid.first..v_tabid.last LOOP
dbms_output.put_line('empno为'//v_tabid(c)//' 记录的NAME为'//v_tabname(c));
EN..