Re: MySQL 8: datadir

[Ryan Schmidt]

On Oct 2, 2020, at 15:45, Murray Eisenberg wrote:

> Step 6: Database upgrade as necessary

You used to have to upgrade the database manually but according to Oracle's 
documentation mysql 8.0.16 and later do it for you automatically.


https://dev.mysql.com/doc/refman/8.0/en/upgrading-what-is-upgraded.html


That's just one of many pages in the section of their manual on upgrading. 
There may be other useful information in there for you.