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PUZZLE 003
The basement door
Module 1 · AND · IS NULL+75 XP
Professor Owl
Someone entered the basement with no explanation.
To enter the basement you have to swipe your card and write down a reason. That night, someone went in without leaving one.
Goal
Show name and access_time for the accesses to the 'Basement' door whose reason is NULL.
Key facts
- The door is 'Basement'
- The reason field was left empty (NULL)
⏳ Preparing data…
What the database returns
Run your query and the rows will appear here.
🎯 You solve it when your query returns exactly what the goal asks for.