How to find what pages/posts contain a particular reusable block?

Those commands do work now after I stepped away for a few hours from the problem; so it was something on my end.

In my examples in the question, You can substitute the reusable block’s post_id with the itemlookingfor to obtain the pages that contain your reusable block.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)