MySQL 5.4 Reference Manual :: 2 Installing and Upgrading MySQL :: 2.12 Upgrading or Downgrading MySQL :: 2.12.2 Downgrading MySQL :: 2.12.2.1 Downgrading to MySQL 5.1
Section Navigation [Toggle]
- 2.12.2 Downgrading MySQL
- 2.12.2.1 Downgrading to MySQL 5.1
When downgrading to MySQL 5.1 from MySQL 5.4, you should keep in mind the following issues relating to features found in MySQL 5.4, but not in MySQL 5.1:
InnoDB. MySQL 5.4 uses
InnoDB Pluginas the built-in version ofInnoDB. MySQL 5.1 includesInnoDB Pluginas of 5.1.38, but as an option that must be enabled explicitly. See Changes in MySQL 5.1.38. If you downgrade to MySQL 5.1 but do not useInnoDB Plugin, some configuration parameters differ, as described in Section 1.5.5, “Configuration Differences in MySQL 5.4 from MySQL 5.1”.
User Comments
Add your own comment.