INFO: Set DBMD:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<dbmd>
    <nodeGroup series="1" detectionSql="select lighting,temperature from weather_report" learningSql="select lighting,temperature from weather_report" connect="jdbc:postgresql://melfina/data_for_stuff" type="independent" name="Weather Report">
        <node name="temperature" event="temperature"/>
        <node name="lighting" event="lighting"/>
    </nodeGroup>
</dbmd>