MySQL·MySQL from first query to production

Users and permissions

Create least-privilege accounts and keep credentials out of the codebase.

Beginner 13 min read Lesson 7 of 300 Challenge included

What you will be able to do

Create a dedicated user for each app.
Grant only SELECT/INSERT/UPDATE/DELETE as needed.
Use strong passwords and rotate them.
Restrict connections to known hosts.

In plain English

MySQL grants are explicit: a user gets privileges on specific databases or tables. Create a separate user per application and grant only what it needs. Never let the web app connect as root.

grants.sqlSQL

CREATE USER 'edubyte_app'@'%' IDENTIFIED BY 'replace-with-a-secret';
GRANT SELECT, INSERT, UPDATE, DELETE ON edubyte.* TO 'edubyte_app'@'%';
FLUSH PRIVILEGES;

Your turn

Grant read-only access

Easy

Grant SELECT on the edubyte database to a reporting user.

SQL · starter

GRANT

Check your understanding before moving on.

Knowledge checkQuestion 1

Which host pattern allows a user to connect from anywhere?

Select an answer to continue

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Next: Views and stored procedures

Lesson 7 of 300 · 0% of course