How create Mysql User, Database and set privileges to user

How create Mysql User, Database and set privileges to user

[saju@localhost ~]$ mysql or mysql -u root  or mysql -u root -p

mysql> create user 'saju'@'localhost' identified by '123456';

mysql> create database if not exists `sajudb`;

mysql> grant all on sajudb.* to saju@localhost identified by "123456" with grant option;

[saju@localhost ~]$ mysql sajudb -u saju -p

mysql> show databases

mysql> use sajudb