Working with User Defined Functions UDF in MySQL – Explained with Examples

In this video, we dive into User Defined Functions (UDFs) in MySQL – a powerful feature that allows you to write custom functions for reusable logic in your SQL queries.

🔍 What you'll learn:

What is a User Defined Function (UDF) in MySQL?

Syntax for creating functions

How UDFs differ from Stored Procedures

Real-life examples using string and date operations

Using UDFs with table data (employees table demo)

Best practices and permissions

📊 Example Functions Covered:

calculate_age(dob) – Calculates a person's age from their date of birth
facto(n) – Calculates factorial of a number.

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