Oracle PLSQL Demo - 09.Open、Fetch遍历游标[Open, Fetch, Close Record CURSOR]

declare

    r_emp scott.emp%rowtype;

    cursor cur_emp is

        select t.* from scott.emp t;



begin



    open cur_emp;



    loop

        fetch cur_emp

            into r_emp;

    

        exit when cur_emp%notfound;

    

        dbms_output.put_line(r_emp.empno || '   ' || r_emp.sal);

    

    end loop;



    close cur_emp;



end;