Line types Area Chart specialty is through the use of Dynamic actions on the buttons at the top right of the chart, the line type of the chart series changes. Line type specifies the shape of the data point connectors on the chart.
Series SQL Query
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select a.product_name, b.quantity, b.customer
from eba_demo_chart_products a, eba_demo_chart_orders b
where a.product_id = b.product_id
and customer = 'Store A'
Dynamic Actions Code
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apex.region("area2").widget().ojChart({styleDefaults:{lineType:'straight'}});