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Hello everyone, in this article we are going to look at how we can create relations between two object types in GraphQL. This is the second part of GraphQL with Node, MongoDB and React series If you have missed the first part here is the link :  Set up graphQL backend using Node.js, express and mongoDB - Step by Step Reading the above article is important as we are going to use the same example and and continue code from where we left there. Ok until last time we have created two object types Game and Publisher.  Game has field like id,name, genre and publisher has fields id, name and established. Now lets refer the diagram once again As you can see each game has a publisher. So we need to link Game type with PublisherType for that to happen we need to add a key to each game data which will hold reference for it's Publisher Ok so let's modify the dummy data array for Games const games = [ { name: "FIFA" , id: "1...

Hello everyone in this article we are going to learn how to setup graphQL backend server using Node. # What is graphQL * GraphQL is an open-source data query and manipulation language for APIs, and a runtime for fulfilling queries with existing data ( As per Wikipedia ). * Developed by Facebook If you want to know why for a specific problem we should use graphQL read this article When should you consider GraphQL for your application? First create a folder which will hold our node files say "graphql-node", within that folder do "npm init" to setup initial basic package.json file Install below dependencies : // for starting local server : Express // for graphQL : graphql // middleware : express-graphql My package.json looks like below code { "name" : "graphql-node" , "version" : "1.0.0" , "description" : "" , "main" : "index.js" , "scripts...