LeetCode's Sneaky SQL Trap: Why 'test.p' Isn't a Table — And the JOIN Twist That Bites
2.5 million solves on LeetCode #175, yet this SQL error still trips up devs daily. It's not you — it's the sneaky syntax of aliases and JOIN defaults.
⚡ Key Takeaways
- SQL aliases go Table [space] alias — reverse it and parsers revolt.
- JOIN defaults to INNER; use LEFT JOIN for nulls on missing matches.
- LeetCode #175 reminds us: read specs, master syntax over speed.
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Originally reported by dev.to
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