What is a Federated Table?
A Federated Table is a table which points to a table in an other MySQL database instance (mostly on an other server). It can be seen as a view to this remote database table. Other RDBMS have similar concepts for example database links.
What can I do with a Federated Table?
To show what you can do with a federated table let us assume the following constellation: Two MySQL databases on two different servers. The first one called provider (it provides the data) the second one called …