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SQL Basics for Beginners: Why Are Some Values Missing? | SQL NULL Explained
Missing values are one of the most confusing parts of SQL and data analytics. In this episode of The Analyst Diaries, we explore why real-world datasets contain missing values, what NULL actually means in SQL, and how analysts decide what to do with incomplete data. You’ll learn: - What NULL means in SQL (and what it doesn’t) - Why missing ...
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