Back to all questionsSQL
Explain the differences between a left join, right join, inner join, and outer join?
Tags
Data Analyst
Marketer
General
Structure your answer by explaining each join type with a simple diagram or example, focusing on which records are included/excluded in each case.
Companies Asking this quesiton.
Hard Difficulty
Hard questions require advanced understanding and critical thinking. Here, your problem-solving skills are key, as these questions often involve complex scenarios needing in-depth analysis and well-structured responses.
SQL question
SQL questions test your ability to work with relational databases. Demonstrate your proficiency in writing queries, understanding database design, optimizing performance, and extracting meaningful information from structured data.