Part 1 DDL: Why table manipulation is important for a developer to learn

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📌 Description

Want to learn SQL Aggregate Functions fast? In this video, I explain COUNT, SUM, AVG, MIN, and MAX in under 6 minutes using PostgreSQL with simple and practical examples.

If you're preparing for Data Engineering, Data Analyst, or SQL interviews, these aggregate functions are a must-know.

🚀 What You’ll Learn:

What are SQL Aggregate Functions

How to use COUNT(), SUM(), AVG(), MIN(), MAX()

Real examples using PostgreSQL

Common mistakes beginners make

How aggregate functions are used in real-world data scenarios

🎯 Who Is This For?

Data Engineers

Data Analysts

Beginners learning SQL

Anyone preparing for SQL interviews

🔍 Keywords (for search optimization):

SQL aggregate functions, SQL tutorial, PostgreSQL tutorial, COUNT SUM AVG MIN MAX, SQL for beginners, data engineering SQL, SQL interview questions, learn SQL fast, SQL crash course, aggregate functions explained

💡 Pro Tip:

Mastering aggregate functions is the foundation of data analysis — almost every real-world query depends on them.

Видео Part 1 DDL: Why table manipulation is important for a developer to learn канала code4coin