Failed junior pentest interview: do you need to memorize payloads?

First of all, my purpose is not to complain, but to learn and understand what exactly is expected from a candidate on a junior pentest interview.

So the other day I was interviewing for a junior pentest position. The lead pentester sent me a link to a web security sqli exercise, then asked me to share my screen and try to solve it. I tried the basic payload ' OR 1=1 --, and while it didn't work, it messed up …

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