Convert SQL Joins into Subqueries | Real Examples and Best Practices
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Convert SQL Joins into Subqueries | Real Examples and Best Practices
Ever wondered how to rewrite a SQL query with JOINs using Subqueries? In this video, I’ll show you step-by-step how to transform: 🔵 INNER JOIN ️ Subquery in SELECT 🔵 LEFT JOIN ️ Subquery with COALESCE (handle NULLs) 🔵 SELF JOIN ️ Subquery fetching from same table 🔥 You'll learn: When it’s better to use JOINs vs Subqueries ...
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