Magento 2.0 now requires MySQL 5.6 or higher and a bunch of MySQL User capabilities that Plesk currently does not assign to MySQL users.
I know that Plesk simply uses the system installed MySQL server, so upgrades to that are beyond Plesk's purview. As a result of this we set up two dedicated DB servers one with Percona 5.6 and one with Percona 5.7 (high performance MySQL drop in replacement).
We then added each of those servers as Database Server sources in Plesk and created a database...
Additional MySQL User Permissions for Magento compatibility
I know that Plesk simply uses the system installed MySQL server, so upgrades to that are beyond Plesk's purview. As a result of this we set up two dedicated DB servers one with Percona 5.6 and one with Percona 5.7 (high performance MySQL drop in replacement).
We then added each of those servers as Database Server sources in Plesk and created a database...
Additional MySQL User Permissions for Magento compatibility