should have these four columns. ### Aliases for Multiple Windows Functions 1. Create and use an alias to shorten the following query (which is different than the one in Derek's previous video) that ...

What is an SQL Window Function? A window is a set of rows or observations in a table or result set. In a table, you may have more than one window depending on how you specify the query.

Example: SELECT id, score, RANK() OVER (PARTITION BY department ORDER BY score DESC) AS rank_within_department FROM employee_scores; Window functions in SQL, unlike aggregate functions ...

-- you will need to know aggregate functions before attempting the other questions. -- We would like to find the total weight of cats grouped by age. But only return those groups with a total weight ...