Job-Ready SQL in an Afternoon - Left, Right, and Outer Joins

The video tutorial explains different types of SQL joins, including inner, left, right, and full outer joins. It demonstrates how to count unique tracks using the distinct keyword and discusses the implications of using different joins on data retention and table size. The tutorial emphasizes the importance of choosing the right join type based on the data analysis needs, highlighting the differences between retaining unmatched data and focusing on intersections.

How does the aggregation method affect the results of a SQL query?

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In what scenarios would you want to keep data that does not have corresponding values in another table?

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Why might you choose to use a RIGHT JOIN instead of a LEFT JOIN?

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What happens to the resulting table size when using different types of joins?

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