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MySQL : Symfony 4 SQLSTATE[42000] Specified key was too long
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As promised, I have a hidden feature that I want to share with you.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
After that, type the word 'awesome' on your keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

A brief presentation of myself,
Hi, my name is Delphi, nice to meet you.
I can assist you in answering your queries.
MySQL : Symfony 4 SQLSTATE[42000] Specified key was too long
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key was MySQL 4 SQLSTATE[42000] too : Specified long Symfony