Charmed MySQL How-to - Upgrade

[taurus (Alex Lutay)]

Charmed MySQL Upgrade

Please choose the appropriate upgrade/rollback tutorial.

Migration:

• Major upgrade, e.g. MySQL 8.0 -> MySQL 9.0.

• Major rollback, e.g. MySQL 9.0 -> MySQL 8.0.

In-place minor upgrade:

• Minor upgrade, e.g. MySQL 8.0.33 -> MySQL 8.0.34
  (including charm revision bump 42 -> 43).

• Minor rollback, e.g. MySQL 8.0.34 -> MySQL 8.0.33
  (including charm revision return 43 -> 42).