What Is NULL in SQL? | SQL Shorts Explained
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YouTubeThe Learning Ledger
What Is NULL in SQL? | SQL Shorts Explained
In this short video, you’ll learn what NULL means in SQL and why it’s completely different from zero, false, or an empty string. NULL represents missing or unknown data in a table. It changes how comparisons, filters, and conditions behave—so understanding it is essential if you actually want correct query results. Perfect for SQL ...
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