MySQL supports replicating to a slave that is one release higher. This allows us to easily upgrade our MySQL setup to a new version, by promoting the slave and pointing the application to it. However, though unsupported, there are times when the MySQL version of slave deployed is one release lower. In this scenario, if [&]

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https://www.percona.com/blog/2018/10/01/how-to-fix-mysql-replication-after-an-incompatible-ddl-command/