Job-Ready SQL in an Afternoon - Grouping and Filtering Aggregations

The video tutorial explains SQL aggregations and grouping, focusing on counting tracks per composer. It covers basic grouping using the 'group by' statement, ordering results, and filtering out null values. Advanced topics include grouping by multiple columns, such as composer and track name, and practical applications like grouping by composer and album. The tutorial also discusses using the 'having' clause for filtering aggregated results.

What is the effect of the order of statements in an SQL query?

What is the result of using multiple groupings in a SQL query?

Describe how to calculate the average song length for each composer and album.

How can you ensure that your SQL query returns results with at least a certain number of tracks?