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Try to execute mysql_upgrade in your imported instance. This command should upgrade your grant tables. Take a look to http://dev.mysql.com/doc/refman/5.6/en/upgrading-from-previous-series.html


Yes you can. When you are writing/reading data through the SQL Nodes, they are actually written-to/read-from the data nodes in the cluster, to which these SQL nodes are connected to. You can use a normal Connector/J instead of Cluster/J to achieve this and it is completely valid. For a better understanding of how the whole cluster works check this link : ...

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