SQL Quest › SQL Interview Questions › Querying Basics
High-Quality Products Only
Filter to H-grade (high-quality) products only. Show product_id, tool_wear_min ordered by tool_wear_min descending. Top 15.
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Schema
products
| udi | product_id | type | tool_wear_min |
|---|---|---|---|
| 5640 | L52819 | L | 180 |
| 2171 | M17030 | M | 10 |
| 228 | L47407 | L | 168 |
Expected output: High-quality grade only
Hint
Concepts
SELECT WHERE ORDER BY
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