GraphQL developer

GraphQL: Core Features, Architecture, Pros and Cons

REST or Representational State Transfer is considered to be the first and the most important thing which comes to your mind while talking about the API design. In this regard, GraphQL is regarded as the modern substitute to the REST-based architecture. 

The main aim of this is to effectively solve its shortcomings. This GraphQL helps to request particular data which are needed by a client.

So, if you are focusing to hire frontend developers, then you should essentially consider the below-mentioned section. This section will help to know about the important features of GraphQL, its architecture along its advantages as well as disadvantages. 

About GraphQL And Its Core Features

GraphQL is a language that you can use for querying databases specifically from the client-side apps. This GraphQL, on the backend, provides a specification to the API on the best ways to present the data to the client. 

Not only that, but this helps to properly redefine the work of developers with APIs, and thereby, it contributes to providing more speed and flexibility to the market. Not only that, it works effectively towards the improvement of client-server interactions. 

This is possible by enabling the former so that they make data requests which are more precise. As a result, this helps them to get what they exactly need. 

Currently, there is also a rapid expansion in the ecosystem of GraphQL which is possible through robust tools such as GraphQL Explorer, GraphiQL, and Apollo as well as libraries. 

As a result, this emerging technology is helping the GraphQL community in the below-mentioned ways:

  • Dealing with legal issues
  • Encouraging more contribution and helping in extensive adoption
  • Organizing working groups, training, and event
  • Giving required marketing support to any specific project
  • Increasing intellectual as well as a financial investment for the infrastructure development. 

So, if you want any related assistance, you can hire frontend developers who will help to effectively address your unique needs. 

Basics And Architecture Of GraphQL

GraphQL is known to be a specification that helps to briefly explain the behavior of a GraphQL server. 

This involves a set of guidelines on how responses and requests should be handled such as supported protocols, data format returned by the server, a data format that can be acknowledged by the server, etc. 

In this case, a query is regarded as a request which is specifically made by a client to the server of GraphQL. Another integral GraphQL concept includes its transport layer agnostics. 

So, it can be particularly used with any available network protocol such as WebSocket, TCP, or any other transport layer protocol. Not only that, but it is considered to be neutral to the databases and so, you can focus on using it with NoSQL or relational databases. 

Below are mentioned three important methods or architecture with the help of which, it is possible to deploy GraphQL Server: 

  • Hybrid approach
  • GraphQL server which effectively integrates with the existing systems
  • GraphQL server with the connected database

Pros Of  GraphQL

In this section, you will find some of the most important advantages of making use of a GraphQL API in a specific application which involves:

Good Fit For Microservices And Complex Systems

GraphQL contributes to integrating with various systems specifically behind its API. This also unified them as well as hiding their complexity. Then, the server of GraphQL is found to be responsible for fetching the data from the systems that are accessible. 

This is again packaged up in the GraphQL response format. Due to this reason, this is known to be important for the 3rd party APIs or legacy infrastructures. 

So, while migrating from a monolithic backend app to a microservice architecture, this GraphQL API helps to effectively handle communication amid multiple microservices. 

No Under- And Over- Fetching Issues

REST responses are known for either lacking enough of the data or having too much of the data. As a result, this contributes to creating the specific need for other requests. 

In this regard, GraphQL is known to be very helpful in solving efficiency issues. This is possible by fetching the exact data and that too in a single request. 

Tailored Requests According To Your Requirements 

The REST API documentation provides explanations related to the individual endpoints, their major functions as well as the parameters that can pass to them. 

So, the GraphQL API allows the developers to focus on tailoring the request for getting the information that they need. 

Cons Of  GraphQL

Although GraphQL is known to be an alternative to REST, this still not can be called a replacement. Below are some of the cons or disadvantages of GraphQL which you should also consider before you hire frontend developers

Performance Problems With Complex Queries

You will observe performance-related problems specifically with complex queries. This occurs in case a client asks for too many of the nested fields all at once. So, to be on the safe side, you should focus on making use of a REST API particularly for complex queries. 

Complexity In Web Caching

You can implement GraphQL caching at the client level or database specifically with the Relay or Apollo clients which possess built-in caching mechanisms. But, GraphQL does not generally rely on the HTTP caching methods. 

This helps in the storage of the content of a request. Caching also reduces the amount of traffic to a particular server. This type of issue can again be solved with a batching technique. 

Final Words

So, the above-discussed ones are some of the most important considerations which you need to make if you are thinking to hire frontend developers for your needs. Based on the above-mentioned points, it would be very wrong to say that GraphQL can replace REST. 

This is because REST is an architectural pattern whereas GraphQL is merely a tool. This is the main reason why your choice depends on the scenarios in which you are going to use them. 

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