The type of Gauge graph is designed to represent a clock with a value and through ranges determine its value.

# 1 Example

#### In this example, the total sales profit per year is shown.

You see the parameterization of the box:

1. Selector type of Gauge graph.
2. Filter by combo of the column the_year and multiple graphics mode and so show all the graphics per year.
3. SQL statement to execute, in this case:
Copy
<select>
<columns>
YEAR(invoicedate)  the_year,
SUM(invoiceline.quantity * invoiceline.unitprice) - SUM(invoiceline.quantity * track.costprice) <alias name='the_profit'/>
</columns>
<from table='invoice'>
<join table='invoiceline'>
<on>invoice.invoiceid = invoiceline.invoiceid</on>
<join table='track'>
<on>invoiceline.trackid = track.trackid</on>
</join>
</join>
</from>
<group>1</group>
<order>1</order>
</select>

4.You see the symbology

5. The column 'the_profit' is added to the series

The result is: