Without These MySQL Functions ❌ You’re Not a Data Analyst (Tamil) DAY 17

In this Tamil SQL tutorial (Day 17), learn the most important SQL built-in functions used in real-time projects and interviews. This session covers Conditional functions (CASE WHEN), NULL handling functions (IFNULL, COALESCE), String functions, Math functions, and LIMIT & OFFSET using practical HR database examples.

These functions are used daily by Data Analysts and SQL Developers to clean data, categorize values, handle NULLs, format strings, and perform calculations.

🔍 What You’ll Learn

Using CASE WHEN for conditional logic

Categorizing salary using CASE

Handling NULL values with IFNULL() and COALESCE()

String functions: UPPER, CONCAT, TRIM, SUBSTR, REPLACE, LENGTH

Math functions: ROUND, CEIL, FLOOR, ABS

Finding top salaries using ORDER BY, LIMIT, OFFSET

Real-time HR database examples

Common beginner mistakes

🎯 Best For

• Tamil SQL beginners
• Data Analyst & Data Science students
• College students
• SQL interview preparation
• MySQL learners

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Видео Without These MySQL Functions ❌ You’re Not a Data Analyst (Tamil) DAY 17 канала Code Your Future