Скачать или смотреть How to use ISNULL, COALESCE, NULLIF and IIF Functions in MS SQL Server | SQL Beginner Tutorial

How to use ISNULL, COALESCE, NULLIF, and IIF Functions in MS SQL Server | SQL Beginner Tutorial
Are you confused about handling NULL values in SQL Server? 🤔 In this tutorial, we’ll explain how to use ISNULL, COALESCE, NULLIF, and IIF functions in MS SQL Server with easy-to-understand examples. These functions are essential for working with NULL values and optimizing your SQL queries!

📌 Topics Covered in This Video:
✅ What are NULL values in SQL?
✅ How to replace NULL values using ISNULL & COALESCE
✅ Difference between ISNULL and COALESCE
✅ How to compare NULL values using NULLIF
✅ Using IIF for conditional logic in SQL

🚀 By the end of this video, you’ll be able to confidently use these SQL functions in real-world scenarios!

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