zoukankan      html  css  js  c++  java
  • 【MySQL】自增步长调整

    查看配置
    
    show variables like '%increment%';
    
    如果:
    
    auto_increment_increment=2
    
    执行:
    set @@global.auto_increment_increment = 1; 
    set @@auto_increment_increment =1;
    
    如果:
    
    auto_increment_offset=2
    
    执行:
    
    set @@global.auto_increment_offset =1;
    set @@auto_increment_offset =1;
    ————————————————
    版权声明:本文为CSDN博主「qq_33508876」的原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接及本声明。
    原文链接:https://blog.csdn.net/qq_33508876/article/details/79725543
    
    mysql> show variables like '%increment%';
    +-----------------------------+-------+
    | Variable_name               | Value |
    +-----------------------------+-------+
    | auto_increment_increment    | 2     |
    | auto_increment_offset       | 1     |
    | div_precision_increment     | 4     |
    | innodb_autoextend_increment | 64    |
    +-----------------------------+-------+
    4 rows in set (0.03 sec)
    
    mysql> set @@global.auto_increment_increment = 1;
    Query OK, 0 rows affected (0.00 sec)
    
    mysql> show variables like '%increment%';
    +-----------------------------+-------+
    | Variable_name               | Value |
    +-----------------------------+-------+
    | auto_increment_increment    | 2     |
    | auto_increment_offset       | 1     |
    | div_precision_increment     | 4     |
    | innodb_autoextend_increment | 64    |
    +-----------------------------+-------+
    4 rows in set (0.07 sec)
    
    mysql> set @@auto_increment_increment =1;
    Query OK, 0 rows affected (0.00 sec)
    
    mysql> 
    mysql> show variables like '%increment%';
    +-----------------------------+-------+
    | Variable_name               | Value |
    +-----------------------------+-------+
    | auto_increment_increment    | 1     |
    | auto_increment_offset       | 1     |
    | div_precision_increment     | 4     |
    | innodb_autoextend_increment | 64    |
    +-----------------------------+-------+
    4 rows in set (0.04 sec)
    
    
  • 相关阅读:
    HTML表单元素
    hadoop编程技巧(3)---定义自己的区划类别Partitioner
    SDUTOJ 2054 双向链表
    serialVersionUID行动
    笔试
    循环队列
    css @media认识
    大约ActionContext.getContext()使用体验
    在希望的田野上--生物柴油(Biodiesel)光明的未来
    SD卡FAT32获得高速的文件格式(图文介绍)
  • 原文地址:https://www.cnblogs.com/liudianer/p/11693738.html
Copyright © 2011-2022 走看看