The Database Dojo
The Database Dojo
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Master SQL LEFT JOIN in Just 6 Minutes! (Beginner-Friendly Tutorial)
In this quick and beginner-friendly tutorial, I’ll break it down step by step. By the end, you’ll know exactly how LEFT JOIN works and why it’s so useful.
📌 Timestamps:
⏳ 00:00 - Introduction to SQL LEFT JOIN
🔍 00:33 - Understanding NULL Values in LEFT JOIN
❓ 01:00 - Breaking Down the Example Question
📊 01:48 - Analyzing the Database Diagram
💻 02:48 - Writing the SQL Query (Step-by-Step)
⚠️ 04:45 - Why Specifying Table Names Matters
📊 05:31 - Explaining the Query Results
🔄 06:28 - Quick Recap & Key Takeaways
มุมมอง: 14

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Welcome to The Database Dojo where you master your SQL skills.