--使用%rowtype定义游标类型的变量提取emp数据
cursor emp_cursor
is
select empno,ename,hiredate from emp;
v_emp emp_cursor%rowtype;
begin
open emp_cursor;
loop
fetch emp_cursor into v_emp;
exit when emp_cursor%notfound;
dbms_output.put_line(v_emp.empno||
' '||
v_emp.ename
||' '
||to_char(v_emp.hiredate,'YYYY-MM-DD'));
end loop;
close emp_cursor;