You can specify a data source, although this is not required. You need to specify the server name or IP address and the port required for the database connection as well as the user name/password of the created user, then select the database and the driver.
MySQL optimization, which accelerates the process of inserting new records to the database, requires MySQL 3.22.5 or newer.
Then click the “Test” button to verify the settings.
Finally, you need to check the firewall settings. You should open TCP/UDP port 3306 to allow all computers on the network to connect to the database.