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Movie Rating Tier Breakdown
Categorize movies into quality tiers: 'Classic' (rating >= 8), 'Good' (7–7.9), 'Average' (6–6.9), 'Poor' (below 6). For each tier show tier, movie_count, and avg_revenue (rounded to 1 decimal, ignoring NULLs). Sort by avg_revenue descending.
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Schema
movies
| id | title | year | genre | rating | votes | revenue_millions | runtime | director |
|---|---|---|---|---|---|---|---|---|
| 1 | Guardians of the Galaxy | 2014 | Action | 8.1 | 757074 | 333.13 | 121 | James Gunn |
| 2 | Prometheus | 2012 | Adventure | 7 | 485820 | 126.46 | 124 | Ridley Scott |
| 3 | Split | 2016 | Horror | 7.3 | 157606 | 138.12 | 117 | M. Night Shyamalan |
Expected output: 4 tiers with counts and average revenue
Hint
Concepts
SELECT CASE GROUP BY Aggregation CASE + GROUP BY
Practise the topic: SQL practice questions · CASE WHEN practice · GROUP BY exercises
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