How to show several tables after running a node?

I would like to return several data when a node is executed in Knime, but they are not related, so I want to be able to return more than one table, so I have several questions …
When the execute method of a node is implemented in Knime, several tables can be displayed for the same output test, so the bufferDataTable allows to display more than one table?
How can the name be changed to the table?

In the ports section of the NodeFactory.xml file you specify the table name for each port which is shown on the nodes’ contextual menu and also on the mouse over for the port.

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