Practical GraphQL - Become a GraphQL Ninja - Updating GraphQL Resolvers to use the Database – continued

The video tutorial guides viewers through updating a car resolver to fetch data from a database using GraphQL. It covers creating, removing, and querying car data, as well as debugging common errors. The tutorial also demonstrates testing the application and performing queries to retrieve user and car information. Finally, it provides an overview of the GraphQL service and discusses future enhancements, including adding authentication.

What method is used to fetch all cars from the database?

• models.car.retrieveAll()

• models.car.findAll()

• models.car.fetchAll()

• models.car.getAll()

What should be removed when creating a new car entry?

• Car model

• Car ID

• Car make

• Car color

What was the error encountered during the initial testing of the application?

• missing return statement

• syntax error in query

• database connection error

• find by primary key of undefined

What was the solution to the error in the user resolver?

• Correcting the database connection string

• Adding a missing semicolon

• Updating the GraphQL schema

• Changing a variable name to lowercase

How can you query for the owner of a car?

• By using the car's color

• By using the owner's name

• By using the car's make

• By using the car's ID

What feature is planned to be added to the GraphQL service after its completion?

• Real-time updates

• User authentication

• Data encryption

• Data export functionality

What package is responsible for automatic data association in the GraphQL service?

• MySQL

• SQLite

• MongoDB

• PostgreSQL