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What Is the NOT NULL Constraint? 🚫 Why Are Empty Values Not Allowed? | SQL Tutorial

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What Is the NOT NULL Constraint? 🚫 Why Are Empty Values Not Allowed? | SQL Tutorial

What is the NOT NULL Constraint in SQL, and why doesn't it allow empty values? 🚫 In this 45-second SQL Short, you'll learn how the NOT NULL Constraint ensures important columns always contain a value, with a simple real-world example. 📚 In this Short: What is the NOT NULL Constraint? Why are NULL values not allowed? When should you use ...

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⚽🏆 WORLD CUP DEALS ARE HERE! 🏆⚽ Football is meant to bring people together, not empty your wallet! 😂🍗 That’s why at Major Foods we’re helping you celebrate this World Cup without breaking the bank. Grab 5kg of chicken wings for just £10 or go all out with 10kg for only £20! 🔥 Whether you’re hosting the lads, the family, the neighbours or that one mate who only turns up when there’s free food, we’ve got the wings to keep everyone fed throughout the tournament. Air fry them, BBQ them, oven co

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