Do you need internet connection when you are using a database (mariaDB)?

Question

it has been about three days now since I started to develop a website for one school.. I'm not that new to programming.. but databases.. so I took this offline course that was teaching the basics of mysql.. well, i wanted to create a database..

CREATE DATABASE noble_child;

I get this error..
ERROR 1044(42000): Access denied for user "@'localhost' to database 'noble_child'

Answer 1

yeah, I'm... thanks.. i

Answer 2

I opened the phpMyAdmin and the SQL commands are functioning.. they don't on the command line

Answer 3

can you provide the exact command you're using the connect? (substitute the host and username with generic ones)

Answer 4

Does root not have a password?

Answer 5

it worked..
mysql -u root

mysql -u root -p
.doesn't