mysql> GRANT all privileges on *.* to 'root'@'localhost' IDENTIFIED BY '*****' WITH GRANT OPTION;
//本地操作授权
mysql> GRANT all privileges on *.* to 'root'@'%' IDENTIFIED BY '*****' WITH GRANT OPTION;
修改MySQL密码、授权,需要有MYSQL里的root权限。
//新安装的MYSQL数据库设置root密码
mysqladmin -u root -p*****
1、新建用户
//登陆MYSQL
mysql -u -p*****
//创建用户
CREATE USER ‘user_name@'%' identified by '******';
// ‘% ’ 表示所有情况都能访问; ‘localhost’ 表示本机才能访问 ‘192.168.0.1’ 表示指定IP能访问
//刷新权限表
flush privileges;
2、用户授权
//使用root登陆数据库
mysql -u root -p******
//给用户创建数据库
create database $(database_name);
//创建默认UTF8字符集数据库
create database database_name default character set utf8 collate utf8_general_ci;
//授权用户拥有访问$(database_name)的所有权限
grant all privileges on $(database_name).* to user@localhost identified by '****';
//刷新权限表
flush privileges;
3、删除用户
DELETE FROM user WHERE user="$(USER)" ;
flush privileges;
//删除用户的数据库
DROP database $(database_name);
4、修改用户密码
mysql -u root -p******
update mysql.user set password=password('*****') where User='$(user);
flush privileges;