文件名称:eg while循环-Unix基础与Shell编程技术培训
文件大小:4.68MB
文件格式:PPT
更新时间:2024-05-12 12:28:23
Unix相关
eg3: while循环 declare cursor c is select * from emp; v_emp c%rowtype; begin open c; fetch c into v_emp; while (c%found) loop fetch c into v_emp; dbms_output.put_line(v_emp.ename); end loop; close c; end; 演示: