---
title: "Discussion on \"Slack Clone with React | Semantic UI | GraphQL | PostgresSQL (PART 4)\" | Hashnode"
description: "Discussion on \"Slack Clone with React | Semantic UI | GraphQL | PostgresSQL (PART 4)\". Previously, we got our database started. You can find that  article here.\nToday, we will talk shortly about Graphql queries and mutations.\nGraphQL API in a Nutshell\nTypes: Queries, Mutations, custom\nTypes define what your endpoints are and describe w..."
url: "https://hashnode.com/posts/slack-clone-with-react-postgressql-part-4/5f6149d2dc74720d9b85e5b5"
---

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# [Slack Clone with React | Semantic UI | GraphQL | PostgresSQL (PART 4)](https://ajeasmith.hashnode.dev/slack-clone-with-react-postgressql-part-4?utm_source=hashnode&utm_medium=feed)

Previously, we got our database started. You can find that article here. Today, we will talk shortly about Graphql queries and mutations. GraphQL API in a Nutshell Types: Queries, Mutations, custom Types define what your endpoints are and describe w...

Sep 15, 2020 · 3 min read · ajeasmith.hashnode.dev  
Updated Sep 24, 2020  
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## Written by

[AjeaSmith](https://hashnode.com/@YTDevs)

@YTDevs · Michigan

  
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A Thrilled Frontend developer

Frontend developer from Michigan. I ❤️code, helping others learn to code, and I ❤️building beautiful things with code. 🙏

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