...
To use the default datasource provider, select default, and then enter the connection properties Driver, URL, User Name, and Password as follows:
External datasource provider
If you need to add a datasource supported by an external provider class such as com.mysql.jdbc.jdbc2.optional.MysqlXADataSource, select External Data Source, click Add Property, and then enter the name and value of each connection property you need to configure. Following is an example datasource for an external datasource provider.
