Made a blunder in tech interview

It was my technical interview and the communication with HR was that it will be a SQL live coding test. So I prepared hard.

But the interviewer, before going to SQL, asked me about my home assignment which I could not explain because I had mostly forgotten.

I was able to solve all the SQL but I feel I won’t pass. (I made so much effort in the home assignment but just the surprise question kicked my nerves).
I know …

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