使用以下代码更新自增主键的最大值: ALTERTABLEtable_nameAUTO_INCREMENT=reset_value; 1. 其中,table_name是要重置自增主键的表名,reset_value是我们希望设置的重置值。例如,如果想要从100开始递增,则将reset_value设置为100。 步骤三:重置自增主键的当前值 最后一步是重置自增主键的当前值,以确保下一次插入数据...
ALTER TABLE your_table AUTO_INCREMENT =1; 我认为这可以做到 或者,从PhpMyAdmin中删除" AutoIncrement"标志,保存,再次设置并保存。此操作将其重置。 如果您想order by 在phpmyadmin中 note: this will work if you delete last rows not middle rows. 转到表格->单击操作菜单->转到表格选项->将AUTO_INCREMENT更...
resetAutoincrement是一款基于Java开发的程序,其功能为重置mysql数据库表的主键自增的值为最近的一个。 介绍 开发背景主要是工作中,测试同学在清理数据的时候,使用的是DELETE进行删库(其实可以使用TRUNCATE),删库完毕后会造成主键自增的值并没有归0,而是继续计算下去(如:数据库新插入一条数据,id为483,但是我期望的...
Description:If I create a table with an explicit AUTO_INCREMENT value, and then add a foreign key, AUTO_INCREMENT is reset to 1. There may be other situations where it also resets as it is happening to me quite regularly. Perhaps this is a recurrence of problem #21404?How to repeat:m...
(id) ) ENGINE InnoDB AUTO_INCREMENT 1024; CREATE INDEX idx_foo_key_name on foo(key_name); INSERT INTO foo (key_name) VALUES ('foo'); INSERT INTO foo (key_name) VALUES ('bar'); SELECT * FROM foo; When I run this through mysql < test.sql, it outputs: id key_name 2 bar 1 ...
Under what circumstances could the AUTO_INCREMENT reset? I just noticed that the several orders placed into our system have keys which are really old and already allocated, thus duplicating the records. Checking through the db, it seems that 3 tables were affected, in one of them AUTO_INCREMEN...
Sometimes you may need to reset the autoincrement column value so that the ID of the first record you insert into the table starts with a certain number, for example, 1. In MySQL you can reset the auto-increment values in various ways. ...
mysql的AUTO_INCREMENT失效问题 创建表设置的AUTO_INCREMENT属性在执行truncate操作后,自增序列会自动被置为0 http://dev.mysql.com/doc/refman/5.0/en/truncate-table.html For anInnoDBtable before version 5.0.3,InnoDBprocessesTRUNCATE TABLEby deleting rows one by one. As of MySQL...
| 45 | auto_increment_offset | 2 | ... 5 rows in set (0.00 sec) global_variables和session_variables表字段含义如下: VARIABLE_NAME:系统变量名 VARIABLE_VALUE:系统变量值。对于global_variables,此列包含全局值。对于session_variables,此列包含当前会话生效的变量值 variables...