Introduction

GraphQL is a query language for a database. It is for Application Programming Interface. Its work is to serve data to a client from a server. GraphQL gives exact answers to the queries asked. GraphQL gives the surety that the data loaded by the developer and application is only necessary, though found out from different sources. 

GraphQL is known for providing the exact required data to clients. Lee Byron is the creator of GraphQL and Facebook is the developer. The website of GraphQL is graphql.org.

GraphQL provides more flexibility and speed to a developer’s work in API.

GraphQL also provides a syntax for the exact asked data. The main reason Facebook developed this data query language was for fast data fetching. GraphQL is client-driven. 

APPs developed by using GraphQL are quicker than other APPs on a slow network. Types and Fields are used instead of endpoints. Types help APPs to ask only for the possible necessary data and give helpful and clear errors.

Why do we need GraphQL?

• GraphQL lets you ask whatever you need in a single query. Hence it reduces waterfall requests and saves bandwidth.
• Waterfall requests are when you ask for something and receive multiple web URLs containing media-files, and scripts at the back-end while the page is loading in the front-end. 
• On the other hand, GraphQL makes it easier for an application to develop and makes it possible for the client to request his own unique set of data.

Advantages of GraphQL

GraphQL is Quick

Compared to other API communications, GraphQL is quicker by giving you only the specific fields required for a query.

Suitable for large and complex systems.

GraphQL clubs multiple systems into one and hides their complexities.

Specific results

In GraphQL, there are no problems like excessive data or data fetched is not enough. It gives you exact data in a single request.

Hierarchy Based

Object relationships are defined graphically and follow a hierarchical structure. Every object or component is wrapped in another.

No need for the latest version

The result returned is very specific for the single query so the server can generalize them easily.

Conclusion

GraphQL is a simple language and easy to learn. It gives you specific results. So If you want to develop your application in this language to give your clients a good experience, then go and learn on the following link mentioned. Make your APP unique by using GraphQL.

All the concepts of GraphQL have been compiled into a Certification Assessment Course. This Assessment will help you to check and enhance your knowledge about the subject and offer you to get certified from The Growth Central VC. This Assessment has been made considering the latest scenario of the industry. 

Happy Learning!!

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