Create a pricing tier report where tracks are ranked by their unit price. Use DENSE_RANK so there are no gaps in rankings when prices are tied.
Write a SQL query using DENSE_RANK() to rank tracks by their UnitPrice.
| Column | Type |
|---|---|
| TrackId | INTEGER (Primary Key) |
| Name | TEXT |
| AlbumId | INTEGER (Foreign Key → Album.AlbumId) |
| MediaTypeId | INTEGER (Foreign Key) |
| GenreId | INTEGER (Foreign Key → Genre.GenreId) |
| Composer | TEXT |
| Milliseconds | INTEGER |
| Bytes | INTEGER |
| UnitPrice | NUMERIC(10,2) |
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Run your code to see the result here.