8. SQL NULL Values
In this video, we explore SQL NULL values – what they are, how they work, and how to handle missing or unknown data in your database.
🧠 What you'll learn:
What NULL means in SQL
How to check for NULL using IS NULL and IS NOT NULL
Why = NULL doesn’t work
Real-world examples using the Northwind sample database
⚡ Understanding NULL is crucial for writing accurate queries and building reliable applications.
🎓 This is part of the FluxCore Solutions: SQL Server Tutorial Series (The Ultimate MS SQL Server Guide)
📥 Download tools & sample database here:
🔹 MS SQL Server (Developer/Express Edition) –https://www.microsoft.com/en/sql-serv...
🔹 SQL Server Management Studio (SSMS) – https://learn.microsoft.com/en-us/ssm...
🔹 Northwind Sample Database – https://drive.google.com/file/d/1qxWy...]
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