After you create a table, you can group the rows into sections. You can also apply row shading to each section so that each section has different colors. For example, here is a table that is grouped into four sections.
Livecycle sections before To group rows into a section
LiveCycle Designer ES shows a bracket on the right side of the table to indicate a section.
Livecycle using tables.31.62.2 To group rows into a section
See also 

To group rows into a section