Designing reports using BIRT Studio : Organizing data in a report : Organizing data in groups : How to group data
 
How to group data
1 Select the column that contains the data by which to group.
2 Choose Add Group, as shown in Figure 4‑8.
Figure 4‑8 Adding a group
If the column you select contains string or numeric data, BIRT Studio groups the data by each unique value in the column. If the column you select contains date‑and‑time data, you have additional grouping options described in the following section.