mysql权限修改记录

select user, password, host from mysql.user;

GRANT ALL PRIVILEGES ON *.* TO 'root'@'147.114.169.197' IDENTIFIED BY '1' WITH GRANT OPTION;

update mysql.user set password='' where host='147.114.169.197';

flush privileges;

查看数据表的大小：

select concat(round(sum(DATA_LENGTH/1024/1024),2),'MB') as data from information_schema.TABLES;

查看数据库物理文件位置：

show global variables like '%datadir%';

select user, password, host from mysql.user;
GRANT ALL PRIVILEGES ON *.* TO 'root'@'47.104.1.31' IDENTIFIED BY '1' WITH GRANT OPTION;
update mysql.user set password='' where host='47.104.1.31';
flush privileges;