Top 5 SQL Mistakes You Must Avoid!
5 SQL Mistakes You DIDN'T Know You Were Making! 🎯Explore the complete PL/SQL course for FREE on my website at https://www.rebellionrider.com/category/pl-sql/============
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Learn about the 5 common SQL mistakes that often go unnoticed and how to avoid them! In this tutorial, we'll cover errors such as the incorrect use of NULL, misuse of the DISTINCT keyword, not handling errors properly, failing to normalize data, and using SELECT * inappropriately. Enhance your SQL skills and ensure your queries are efficient, accurate, and optimized.
💡 Key Takeaways:
Correctly check for NULL values
Proper use of DISTINCT and GROUP BY
Efficient error handling techniques
Importance of database normalization
Optimizing SELECT queries for better performance
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