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Mysql auto_increment 重新计数_MySQL

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Release： 2016-06-01 13:44:46
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当清空一个表的时候，重新插入数据，发现auto_increment属性的字段计数不是从1开始的时候，可以使用以下命令

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）  

 

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