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Prints the MySQL Cluster version number of the executable\&. The version number is relevant because not all versions can be used together, and the MySQL Cluster startup process verifies that the versions of the binaries being used can co\-exist in the same cluster\&. This is also important when performing an online (rolling) software upgrade or downgrade of MySQL Cluster\&.
637
Section\ \&17.5.5, \(lqPerforming a Rolling Restart of a MySQL Cluster\(rq), for more information\&.
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Section\ \&18.5.5, \(lqPerforming a Rolling Restart of a MySQL Cluster\(rq), for more information\&.