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• Before importing the solution, connected clients are notified that an import will take place, then they are disconnected and then the server is put into maintenance mode, so that no new clients can connect during the import.
• The import is performed as usuallyusual.
• After the import is over, the server is taken out of maintenance mode, so that clients can connect again.

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Using the maintenance plugin, it is possible to programmatically modify the database structure. You can create and drop tables, and you can create and delete columns. Please refer to the API documentation of the maintenance plugin for specific details on how to do all these operations.

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