🔄 NULL values in SQL | NULL vs Zero vs Empty string: Know the Difference🔍

🚀🔑 Level Up Your SQL: Mastering NULL Values vs. Zeros & Empty Strings

🔍🚦Key Stages Explored:
• NULL: What & Why❓
• Difference: NULL vs Empty String vs zero 🔄
• Things to Know About NULL 💡
• Best Practices ✅

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