![What is the difference between an inner and an outer join in SQL? | by Kate Marie Lewis | Towards Data Science What is the difference between an inner and an outer join in SQL? | by Kate Marie Lewis | Towards Data Science](https://miro.medium.com/max/1400/1*UAPgZRnhFG29C0nDFi5D0A.png)
What is the difference between an inner and an outer join in SQL? | by Kate Marie Lewis | Towards Data Science
![Alex Xu on Twitter: "Popular interview question: what's the difference between Inner, Left, Right, and Full join? The diagram below illustrates how different types of joins work. (INNER) JOIN: returns only matching Alex Xu on Twitter: "Popular interview question: what's the difference between Inner, Left, Right, and Full join? The diagram below illustrates how different types of joins work. (INNER) JOIN: returns only matching](https://pbs.twimg.com/media/FU5p2ekVEAEkR4D.jpg:large)
Alex Xu on Twitter: "Popular interview question: what's the difference between Inner, Left, Right, and Full join? The diagram below illustrates how different types of joins work. (INNER) JOIN: returns only matching
![Full Outer and Inner Joins with Multiple Inputs: The 'Join Multiple' vs 'Manual' Method - The Information Lab Full Outer and Inner Joins with Multiple Inputs: The 'Join Multiple' vs 'Manual' Method - The Information Lab](https://www.theinformationlab.co.uk/wp-content/uploads/2020/10/JoinMultiple3-1.png)