MySQL platform support evolves over time please refer to for the latest updates. It is therefore imperative that you back up your data before starting the upgrade process. The only supported alternative is to restore a backup taken before upgrading. Perform the upgrade on a test system first to make sure everything works smoothly, and then on the production system.ĭowngrade from MySQL 8.0 to MySQL 5.7, or from a MySQL 8.0 release to a previous MySQL 8.0 release, is not supported. Issues that you may encounter for upgrades from MySQLīefore upgrading to MySQL 8.0, review the information in and perform any recommended actions. ( What Is New in MySQL 8.0), and discussion of upgrade MySQL 8.0 Reference Manual, which includes an overview of features For information about changes in aĭifferent MySQL series, see the release notes for that series.įor additional MySQL 8.0 documentation, see the This document contains release notes for the changes in eachĨ.0.36.
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