declare --类型定义 cursor c_job is select empno,ename,job,sal from emp where job='MANAGER'; --定义一个游标变量 c_row c_job%rowtype;begin open c_job; loop --提取一行数据到c_row fetch c_job into c_row; --判读是否提取到值,没取到值就退出 --取到值c_job%notfound 是false --取不到值c_job%notfound 是true exit when c_job%notfound; dbms_output.put_line(c_row.empno||'-'||c_row.ename||'-'||c_row.job||'-'||c_row.sal); end loop; --关闭游标 close c_job;end;