PostgreSQL Aggregate Functions Tutorial | COUNT, SUM, AVG, MIN, MAX with Real Examples
📘 Download PostgreSQL Notes: https://kodyfier.com/notes/database/postgresql.html
-----------------------------------------------------
Learn PostgreSQL Aggregate Functions from scratch with practical examples.
In this PostgreSQL tutorial, you'll learn how Aggregate Functions work and how to use COUNT(), SUM(), AVG(), MIN(), and MAX() to analyze and summarize data efficiently.
🚀 What you'll learn:
✔ What are Aggregate Functions in PostgreSQL
✔ COUNT() Function with Examples
✔ SUM() Function with Examples
✔ AVG() Function with Examples
✔ MIN() and MAX() Functions
✔ Aggregate Function Syntax
✔ Best Practices and Common Mistakes
✔ Practical SQL Interview Questions
✔ Real-world PostgreSQL Queries
This tutorial is perfect for beginners, college students, job seekers, software developers, and anyone preparing for SQL or PostgreSQL interviews.
------------------------------------------------------------------------------------
🔗 Useful Playlists
📘 Next.js Full Stack Playlist:
https://youtube.com/playlist?list=PLwGdqUZWnOp0lwvSBaIzzgV9X0ZiZ-42O&si=aQ_TNBNNx5L7V_bn
⚛️ React.js Playlist:
https://youtube.com/playlist?list=PLwGdqUZWnOp1Rab71vx2zMF6qpwGDB2Z1&si=sDZRxsYNetYmojKd
💻 TypeScript Playlist:
https://youtube.com/playlist?list=PLwGdqUZWnOp0xfHQFmlL52b_6-QZ0mnk_&si=c4jfsd5ElDC1p0A5
------------------------------------------------------------------------------------
💸 Get All My YouTube Videos' Source Code for just ₹199! Grab Now - https://thapatechnical.shop/source-code
📺 Watch the complete Node.JS Playlist here :https://youtube.com/playlist?list=PLwGdqUZWnOp3KELplHtc-RnJ5xTUPqdgH&si=_ob8F88HYxCdspup
🔥 Access Source Code, PPT & Notes here for Free : https://www.thapatechnical.com/2024/11/introduction-to-nodejs.html
------------------------------------------------------------------------
🚀 Boost Your Skills with these Pre-Requisite Videos:
🔗 Best HTML Course - https://youtu.be/5ccq_nLHneE
🔗 Best CSS Course - https://youtu.be/MSICFljRcb4
🔗 JavaScript Basics Course Part 1 - https://youtu.be/13gLB6hDHR8
🔗 JavaScript Advanced Course Part 2 - https://youtu.be/YwsOCN8woA8
------------------------------------------------------------------------
💸 Build Your Own E-commerce Website for Free! - https://www.thapatechnical.com/2024/03/build-complete-ecommerce-website-using.html
------------------------------------------------------------------------
✌️ Join Us!
🚀 Become a Member: Unlock perks, free source code, and more Join Now : https://www.youtube.com/channel/UCwfaAHy4zQUb2APNOGXUCCA/join
📷 Connect on Instagram: https://www.instagram.com/thapatechnical
🗨️ Join Our Discord Server: Hang out with fellow programmers Discord Link: https://discord.gg/MdScmCsua6
------------------------------------------------------------------------
⌛TIMELINE⏳
0:00 Introduction to Aggregate Functions in PostgreSQL
0:30 What Are Aggregate Functions?
1:00 Most Common Aggregate Functions (COUNT, SUM, AVG, MIN, MAX)
2:35 Understanding Aggregate Functions with Examples
3:30 Aggregate Function Syntax Explained
4:20 Best Practices & Common Mistakes
5:50 Support the Channel ❤️
6:30 Practice Question #1
6:45 COUNT() Function Practical Query
8:10 Try It Yourself Challenge
8:30 COUNT() Solution Explained
11:00 SUM() Function Practical Query
13:50 AVG() Function Practical Query
14:55 Important AVG() Tips (NULL Values & Accuracy)
15:55 MIN() & MAX() Function Practical Query
17:24 Final Challenge for Students + Comment Your Answer