mysqlCreate user with full access to single database

CREATE USER user@localhost IDENTIFIED BY 'pwd';
GRANT ALL PRIVILEGES ON db.* TO user@localhost;
FLUSH PRIVILEGES;ctrl + cyoutubegithub

`CREATE USER` creates specified user	`user@localhost` user name and host to attach it to
`GRANT ALL PRIVILEGES` grants any operation for specified user	`ON db.*` database tables (all tables of `db` database in our case) we want our user to have access to
`TO user@localhost` user we want to grant access to (our newely created user)	`IDENTIFIED BY 'pwd'` set `pwd` password for our user
`FLUSH PRIVILEGES` will make sure new user access is granted instantly