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Mysql auto_increment 重新计数(让id从1开始)_MySQL

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Release： 2016-06-01 13:23:35
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bitsCN.com 方法一

delete from test;
alter table `test` auto_increment=1
（好处，可以设置AUTO_INCREMENT 为任意值开始）
提示：如果表列和数据很多，速度会很慢，如90多万条，会在10分钟以上。

方法二

truncate table test
（好处，简单，AUTO_INCREMENT 值重新开始计数）

一般情况下我们使用第二个就可以了，记住以上情况都是彻底删除所有记录。bitsCN.com

source：php.cn
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