🚀 Supercharge your SQL skills with this practical and beginner-friendly guide to the most essential SQL functions!
In this video, you'll learn:
🧮 Aggregate functions: SUM, AVG, COUNT, MIN, MAX
🔤 String functions: CONCAT, UPPER, LOWER, SUBSTRING, TRIM
🕒 Date & time functions: NOW, DATEDIFF, DATE_ADD, CURRENT_DATE
We break down each function with real-world examples, showing you how they work and where to use them in real database scenarios. Whether you’re writing reports, building dashboards, or preparing for SQL interviews, this tutorial will give you the tools to write powerful SQL queries confidently.
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✅ Suggested Chapters
00:00 - Intro
00:32 - What are SQL Functions?
01:15 - Aggregate Functions (SUM, COUNT, AVG, MIN, MAX)
06:25 - String Functions (CONCAT, UPPER, LOWER, SUBSTRING, LENGTH)
12:40 - Date Functions (NOW, DATEDIFF, CURRENT_DATE, DATE_ADD)
18:50 - Bonus Tips & Real-World Examples
20:05 - Outro
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