---
title: "Discussion on \"Essential Concepts for PostgreSQL\" | Hashnode"
description: "Discussion on \"Essential Concepts for PostgreSQL\". Chapter 2: Building blocks, Keys, Indexes and DataTypes"
url: "https://hashnode.com/posts/essential-concepts-for-postgresql/64e1d2e5907d7f055226264f"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [Essential Concepts for PostgreSQL](https://blog.sagarmoy.work/essential-concepts-for-postgresql?utm_source=hashnode&utm_medium=feed)

Chapter 2: Building blocks, Keys, Indexes and DataTypes

Aug 20, 2023 · 13 min read · blog.sagarmoy.work  
Updated Aug 31, 2023  
Read the article

-   [#postgresql](https://hashnode.com/tag/postgresql)
-   [#fullstack](https://hashnode.com/tag/fullstack)
-   [#frontend-development](https://hashnode.com/tag/frontend-development)

## Written by

[Sagar](https://hashnode.com/@sagars01)

@sagars01 · Bengaluru

  
[View profile](https://hashnode.com/@sagars01)

Staff Software Engineer with 10 years of building, breaking and gliding in the tech world

Staff Software Engineer experienced in building highly scalable software. Currently on mission to help frontend engineers move into fullstack engineering roles

## Responses

Markdown supported · ⌘↵ to post

No responses yet.