Previously, I wrote the blog MySQL upgrade best practices. Besides upgrading your MySQL version, sometimes you need to downgrade. When it comes to downgrading MySQL, there are two types of downgrade methods supported:
In-Place Downgrade: In this method, you
use the existing data directory and replace MySQL binaries,
followed by a
mysql_upgradeexecution. This type of downgrade is supported within the same release series. For example, in-place downgrades are supported when moving from 5.7.12 to 5.7.10.
- SQL Dump Downgrade: An SQL dump is another …