Post AQ46KIWNnGa8EwTS6a by xocolatl@mastodon.social
(DIR) More posts by xocolatl@mastodon.social
(DIR) Post #AQ414Gl05NTAMdqhU0 by djoerd@idf.social
2022-11-28T13:28:10Z
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Student's #SQL quiz solutions that will #DuckDB go all 'suicide': 1. no join condition using four tables 2. use an OR after some correct join conditions on four tables (SQLite and PostgreSQL fail too: Don't underestimate our students!)
(DIR) Post #AQ41ZUBUDJOmz87fua by proycon@social.anaproy.nl
2022-11-28T13:33:43Z
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@djoerd Don't forget to be extra vigilant if you have little Bobby Tables in your class!https://xkcd.com/327/
(DIR) Post #AQ41lNkjx2VkVtHjgO by djoerd@idf.social
2022-11-28T13:35:57Z
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@proycon Ah, a classic: I show this in my last lecture :-) Actually, today's quizzes expect SQL, so students may input "DROP TABLE" directly, no injection needed.
(DIR) Post #AQ46KIWNnGa8EwTS6a by xocolatl@mastodon.social
2022-11-28T14:27:04Z
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@djoerd What do you mean by “fail”?
(DIR) Post #AQhhA67wIJeKNBTf1s by arjen@idf.social
2022-12-17T16:53:31Z
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@djoerd I guess it's more like don't overestimate our students 😉