语句:
引用
alter table 表名 modify 字段名 字段类型 after 字段
举例:
1、把user_name列移动到password后面:
alter table employee modify user_name varchar(100) after password;
2、把user_name列移动到最前面:
alter table employee modify user_name varchar(100) first;
alter table employee modify user_name varchar(100) after password;
alter table employee modify user_name varchar(100) first;