Add 3 forms to the admin of our website and connect to MySQL database

I want to create 3 new forms in the admin section of our website and connect to our MySql database (PHP /MySQL). Page 1 Articles Page 2 Job Fairs Page 3 Training classes Page 1 (Articles) Create a form in admin Articles Title: The title will be displayed in the browser window. Articles Author: Articles Category: If not listed type here: Contact Email address: More Details Link: Articles Photo/Logo: Description: Articles will display on articles page under each heading as: and if clicked on will show just the specific article information. Page 2 (Job Fairs) Create a form in admin Events Title: The title will be displayed in the browser window. Events Author: Event Location: Event Period: - Contact Email address: More Details Link: Events Photo/Logo: Description: Events will display on Job fair page as: and if clicked on will show just the specific event details. Page 3 (Training classes) Create a form in admin I want in the admin to be able to: 1. Add skills in different categories 2. Under each skill - Add a banner or link to the online class 3. Add some class details. • Will display on Training classes page