先登录MySQL

shell> mysql --user=root mysql

有密码的需要添加 –password 或-p 选项

添加用户

mysql>CREATE USER 'finley'@'localhost' IDENTIFIED BY 'some_pass';mysql>GRANT ALL PRIVILEGES ON *.* TO 'finley'@'localhost' WITH GRANT OPTION;mysql>CREATE USER 'finley'@'%' IDENTIFIED BY 'some_pass';mysql>GRANT ALL PRIVILEGES ON *.* TO 'finley'@'%' WITH GRANT OPTION;mysql>CREATE USER 'admin'@'localhost' IDENTIFIED BY 'admin_pass';mysql>GRANT RELOAD,PROCESS ON *.* TO 'admin'@'localhost';mysql>CREATE USER 'dummy'@'localhost';

添加用户并设置数据库具体权限：

mysql>CREATE USER 'custom'@'localhost' IDENTIFIED BY 'obscure';mysql>GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP ON bankaccount.* TO 'custom'@'localhost';mysql>CREATE USER'custom'@'host47.example.com' IDENTIFIED BY 'obscure';mysql>GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP ON expenses.* TO 'custom'@'host47.example.com';mysql>CREATE USER 'custom'@'%.example.com' IDENTIFIED BY 'obscure';mysql>GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP ON customer.* TO 'custom'@'%.example.com';

删除用户：

mysql>DROP USER 'jeffrey'@'localhost';

修改密码：

mysql>SET PASSWORD FOR 'jeffrey'@'localhost' = PASSWORD('mypass');

修改当前登录用户密码：

mysql>SET PASSWORD = PASSWORD('mypass');

以上所述是小编给大家介绍的Mysql 5.6添加修改用户名和密码的方法，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！