The Full Stack Web Development - Connect & Fetch Data From MySQL

This video tutorial guides viewers through creating a simple PHP application to interact with a MySQL database. The app, called Message app, allows users to read, insert, and delete messages. The tutorial covers setting up the project structure, creating necessary files, and connecting to the database using mysqli procedural code. It also demonstrates fetching data from the database and displaying it on a webpage. The focus is on basic PHP and MySQL operations, with a promise of exploring more advanced features in future projects.

What is the primary purpose of the PHP application discussed in the video?

• To manage user authentication

• To update user profiles

• To read and insert messages

• To perform data analysis

Where should the new project folder be created for the PHP application?

• In the Documents folder

• On the Desktop

• Inside the htdocs folder

• In the C drive root

What is the purpose of the styles.css file in the project?

• To define CSS styles for the application

• To manage user sessions

• To store database queries

• To handle form submissions

Which HTML element is used to wrap the main content of the page?

• Main

• Container

• Header

• Footer

What is the background color set for the body in the CSS?

• Dark Gray

• Light Gray

• White

• Blue

What function is used to connect to the MySQL database?

• db_connect

• pdo_connect

• mysql_connect

• mysqli_connect

What should be done if there's an error in the database connection?

• Restart the server

• Display a custom error message

• Reinstall the database

• Ignore the error

Which SQL command is used to fetch all fields from the messages table?

• FETCH ALL FROM messages

• RETRIEVE * FROM messages

• SELECT * FROM messages

• GET ALL FROM messages

What PHP function is used to fetch data as an associative array?

• mysqli_fetch_array

• mysqli_fetch_assoc

• mysqli_fetch_object

• mysqli_fetch_row

What is the purpose of the while loop in the PHP code?

• To insert data into the database

• To loop through and display fetched messages

• To update user information

• To delete messages from the database