创建用户及密码
mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost'
-> IDENTIFIED BY 'some_pass' WITH GRANT OPTION;
//本地操作的权限
mysql> GRANT ALL PRIVILEGES ON *.* TO ' root '@'%'
-> IDENTIFIED BY 'some_pass' WITH GRANT OPTION;
查看MySql 用户数据字典
mysql.user
查看字符集
show variables like ‘%collation%’;
show variables like ‘%char%’;