Lines with points

SQL source code for this example:

DRAW LINECHART WITH
   AXIS LEFT
   AXIS BOTTOM
   LEGEND TOP LEFT INSIDE;

SELECT
   city AS series,
   month AS x,
   temperature AS y,
   "Avg. Temperatures in " + month + " in " + city + ": " + temperature as label,
   "circle" as pointstyle
   FROM city_temperatures;