Practical GraphQL - Become a GraphQL Ninja - Wrapping Up the Application to Display a Profile Image

The video tutorial guides viewers through creating a new user route in an Express application, setting up a route handler to fetch user and car data using GraphQL, and rendering this data with Pug templates. It also covers debugging and testing the application, with a brief mention of future enhancements like image upload functionality.

What is the purpose of creating a new route in Express?

• To delete user data

• To handle user-specific information

• To update user passwords

• To create a new database

How can you capture a changeable parameter in an Express route?

• By defining it as a parameter in the route

• By using a wildcard character

• By hardcoding the value

• By using a fixed string

What should be done if no ID is provided in the request parameters?

• Return a status of 200

• Ignore the request

• Return a status of 400 with a message

• Proceed with a default ID

Which function is used to execute a GraphQL query in the implementation?

• runGraphql

• fetchGraphql

• executeQuery

• fetchData

What is displayed if a user has no cars associated with them?

• A blank page

• A paragraph stating 'This user has no cars'

• A message saying 'No data available'

• An error message

What is the purpose of the 'user pug' template?

• To update user information

• To create a new user

• To delete user data

• To display user information

What should be done after correcting errors in the code?

• Delete the cache

• Restart the server

• Reinstall the application

• Refresh the application