New HTML Block does not appear anywhere in "sys_page_compose"

I have just created a new html block. I've read many discussions about inserting iframes via html button which doesn't work which I'm well aware of. But I've read you can change it via your database "phpmyadmin" in sys_compose_page

Now the thing is I cannot find the new Html Block that I just created. Does anyone know why?

I want to add

<iframe src="http://site.com" width="300" height="300" scrolling="no"></iframe>

It has to be in there. Go back into page builders and add something to the block that is unique like abcdefghijk

Then in phpmyadmin you can do a search for that string.

In anycase, if you see it in page builders then it is in the database. Plain and simple. It cannot appear in page builders and not be in the database. It's impossible, So it's there. It's just a matter of finding it.

Also, new blocks are assigned the next available ID, so you could also sort sys_page_compose by the id field and then go to the last page. It will be the last block on the list.

Hi after doing my head in I guessed the next ID would probably be the way to find it so I searched that. Thankyou for replying...It's all working now.