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MySQL修改字段默认值

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Release: 2016-06-07 15:18:30
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环境 MySQL 5.1 命令行工具 问题 MySQL 修改字段默认 解决 alter table topic alter column cateId set default '2'; 语法总结 alter table 表名 alter column 字段名 drop default; ( 若本身存在默认,则先删除 ) alter table 表名 alter column 字段名 set

环境

MySQL 5.1 + 命令行工具

 

问题

MySQL修改字段默认值

 

解决

alter table topic alter column cateId set default '2';

 

语法总结

 

alter table表名alter column字段名drop default; (若本身存在默认值,则先删除)

 

alter table表名 alter column字段名 set default默认值;(若本身不存在则可以直接设定)

 

参考资料

 

http://blog.sina.com.cn/s/blog_79936154010103fw.html

 

 

 

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