【MySQL】MySQL PLSQL Demo - 006.循环(WHILE DO and FOR LOOP)

WHILE DO

drop procedure if exists p_while_do;

create procedure p_while_do()
begin
    declare i int;
        set i = 1;
        while i <= 10 do
            select concat('index : ', i);
            set i = i + 1;
        end while;
end;

call p_while_do();

 

FOR LOOP

drop procedure if exists p_for_loop;

create procedure p_for_loop()
begin
    declare i int;
        set i = 1;
        loop_example : loop
            select concat('index -> ', i);
            set i = i + 1;

            if i > 10 then
                leave loop_example;
            end if;
        end loop;
end;

call p_for_loop();

 

posted @ 2015-09-12 01:30  nick_huang  阅读(1007)  评论(0编辑  收藏  举报