Jack Wallen explains how to add data into a MySQL table from the command line.

When running non-interactive MySQL commands one may submit MySQL credentials on the command line (we'll share with you a better option after the break), e.g.: mysql --password=secret --user=username ...

MySQL 101: Installation, care, and feeding on Ubuntu If you've got 15 minutes, we can show you the ropes of basic MySQL management.

This is likely because when I first learned it was with command-line tools, but even so, I think command-line database tools often are the best way to interact with a database manually. Two of the ...