MySQL Datetime & timestamp for row level and table level?

I'm afraid, that is not possible. It is a really stupid drawback but in the docs it says.

If you want to do this entirely with SQL, rather than calculating update timestamps in your application code, you'll have to add a another table. Your main table will have only one timestamp field- the creation date, which will default to CURRENT_TIMESTAMP and never change. Your 2nd table, main_updates, will be something like this.

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