Prev Next

API / GraphQL Interview Questions

What are the main operations that GraphQL supports?

GraphQL supports 3 types of operations: query, mutation, and subscription. The query is used for the request, and it is a read operation, the mutation is used for write operations, and subscription is used for listening for any data changes. The server sends a notification message to the client after any data changes, if the client is subscribed to that event.

It's right time to invest in Cryptocurrencies Dogecoin! Earn free bitcoins up to $250 now by signing up.

Earn bitcoins upto $250 (free), invest in other Cryptocurrencies when you signup with blockfi. Use the referral link: Signup now and earn!

Using BlockFi, don't just buy crypto - start earning on it. Open an interest account with up to 8.6% APY, trade currencies, or borrow money without selling your assets.


Join CoinBase! We'll both receive $10 in free Bitcoin when they buy or sell their first $100 on Coinbase! Available in India also. Use the referral Join coinbase!


Invest now!!! Get Free equity stock (US, UK only)!

Use Robinhood app to invest in stocks. It is safe and secure. Use the Referral link to claim your free stock when you sign up!.

The Robinhood app makes it easy to trade stocks, crypto and more.


Webull! Receive free stock by signing up using the link: Webull signup.

More Related questions...

Show more question and Answers...

Docker Interview questions

Comments & Discussions