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Optimize the Slow Query
A production query is taking 15 seconds. Make it run in under 100ms.
JOIN customers c ON o.customer_id = c.id
JOIN products p ON o.product_id = p.id
WHERE o.created_at > '2024-01-01'
ORDER BY o.total DESC;
Never Get Stuck Again
Our AI tutor is integrated into every lab and challenge. Get real-time hints, explanations, and guidance without leaving your terminal.
I see you're working on a JOIN query. The issue is that you're missing an index on the customer_id column. Would you like me to show you how to create one?
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