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  • 3 месяца назадОпубликованоJess Ramos | Data Analytics & Tech

Inner Joins vs Left Joins in SQL [The Only Video You Need]

⚡️Free SQL Course & Datasets Below ⬇️ Free Intro SQL Course: Intermediate Course: Description: In this video, I break down the crucial difference between inner joins and left joins in SQL - a concept that's come up in every single one of my data analytics interviews, including those paying over six figures. I don't just give you the definitions; I show you practical examples of how both joins work, compare them side by side, and explain when to use each one. By the end, you'll not only understand the difference but actually remember it and get this question right in all your interviews. Chapters: 00:00 - SQL joins are crucial for data analytics interviews 00:41 - What is a join 03:01 - Setting up our example tables and database 04:03 - Writing your first inner join 05:44 - Why inner joins may exclude some data 07:24 - Using left joins to keep all the data 09:44 - When to use inner join vs left join 🤳🏼 SOCIALS 📫 Newsletter: 📸 Instagram: @JessRamosData 💙 LinkedIn: Jess Ramos, MSBA 🎬 TikTok: @JessRamosData 💌 Brand Partnerships: partnerships@