What is GraphQL? An Inside look at GraphQL

Introduction to GraphQL

GraphQL is open source query language for API, and a runtime for fulfilling those queries with your existing data. It was developed by Facebook, and released publicly in 2015.

It is considered to be more efficient, powerful and flexible alternate to REST and ad-hoc web service architecture.

GraphQL is revolutionary way of writing the APIs, and it is not attached to any specific database.

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Alternate to REST and ad-hoc web servcice, Why?

Why GraphQL is considered as alternate to REST and other ad-hoc web services? Because there is a major difference, how both works in client-server architecture. In REST API, client deals with the rigid server-side endpoints, server structured the data, and same data is returned to the client. Whereas, in GraphQL, client defines the structure of data, and server returns the same structure of data. So, GraphQL gives the power to the client.

These are the strong reasons, why GraphQL is considered alternate to REST APIs. These are following:

  • Efficient data loading on mobile devices

The prime reason for developing GraphQL by Facebook was for heavy data usage, low powered device and slow network. GraphQL only transfer minimum amount of data over the wire required for any application or device, and improve the device and application performance.

  • Perfect for faster development and rapid change environment

GraphQL is perfect for environment where continuous deployments, frequent iterations and requirements changes happens in companies. These factors impact the rigid server-side REST APIs design, and hard to modify on frequent changes.

  • Perfectly suitable for varieties of frontend frameworks

With REST APIs, it is very hard to maintain one API end-point to fulfill the various client-end requests. But this can be achieved with GraphQL.

Growing Power of GraphQL

GraphQL power is growing day by day, and lot of companies adopted the GraphQL. Here are few big players of GraphQL

Summary

In this blog, we read about GraphQL and how it is future query language as compared to REST. 

Adesh

Hi, I am Adesh. I am a senior software engineer having more than 12 years of software development experience. I am a full stack developer and interested in writing the technical post on programming. I am currently working in New York City area.

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