What to read about SQL and Highload?

Question

MySQL

Good afternoon,
I am studying for the future myself nearby areas in web development.
Recommend good literature (preferably books) on SQL databases in highload projects.
Now I am finishing this - www.ozon.ru/context/detail/id/6573935 (partly because I know MySQL better than the same PostgreSQL). But I understand that this is not enough, so I look at this book for the next 2-3 weeks. www.ozon.ru/context/detail/id/7353438
It is interesting to know how to develop architecture, replicas, migrations, "best practice".
Thank you.
PS Request without holivar about SQL vs NoSQL, I know the difference very well and I need the first one.

Answer 1

Postgre is still desirable, although the topic is holivar