Backend · Junior · Theory

What kinds of JOIN are there in SQL, and how do they differ from each other?

~4 min by voice

How to approach it

They're checking whether the candidate understands which rows end up in the result with each kind of JOIN, especially when there's no match. What matters is seeing the difference on concrete data, not just remembering the names.

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Topics

sql joins

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Answer by voice

The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.

Best with headphones · ~4 min