SQL lecture - 21 | MySQL Stored Function | NMD Pvt Ltd
Mastering MySQL Stored Functions: Write Reusable Code and Simplify Your Queries!
In this video, we’ll dive deep into stored functions in MySQL and understand how they help you encapsulate logic within the database. Stored functions are powerful tools that allow you to perform calculations and transformations consistently, improving efficiency and reducing redundancy.
We’ll cover:
What is a Stored Function? How it helps in modularizing business logic
How it differs from stored procedures and when to use each
Syntax for creating, calling, and dropping a stored function
How to use input parameters and return values effectively
Real-world examples of using functions for calculations and data transformations
Best practices to write clean, optimized, and maintainable functions
Managing permissions, debugging, and handling errors in functions
This lecture is perfect for learners who want to write better SQL by embedding logic into their database through stored functions.
📌 What you'll learn:
How to create a stored function and use it in your queries
The differences between stored functions and procedures
Using functions inside SELECT, INSERT, and UPDATE queries
Best practices for error handling and NULL value management
Tips for optimizing stored functions for performance
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