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  • PL/SQL loop,while.for循环

    1.条件呢?

    --Basic

    loop

      ...  

    end loop;

    declare

      i number:= 1;

    begin

      i:=100;

      loop

        i:= i + 1;

        dbms_output.put_line(i);

        if i>10 then

          exit;

        end if;

      end loop;  

    end;

    ------------------

    -->>变得更像一个PL/SQL程序员

    --(这条是核心):先干再说

    declare

      i number:= 1;

    begin

      loop

        i:= i + 1;

        dbms_output.put_line(i);

        exit when i>=10;

      end loop;  

    end;

    ---------------------

    -- 跟java一样,但是不常用

    declare

      i number:= 1;

    begin

      while i<=10 loop

        dbms_output.put_line(i);

        i:= i + 1;

      end loop;  

    end;

    --------------------

    var j number;

    begin

      :j:=1;

      while :j<=10 loop

        dbms_output.put_line(:j);

        :j:= :j + 1;

      end loop;  

    end;

    ------------------

    for loop

      

    end loop;

    ------------------

    declare

      i number;

    begin

      i:= 5;

      for i in 1..10 loop

        dbms_output.put_line(i);

      end loop;

      dbms_output.put_line('i的值:'||i);

    end;

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  • 原文地址:https://www.cnblogs.com/sheying/p/8655967.html
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