A group defines one or more unrelated tables that you want to copy to a subset database. Create a group to add unrelated tables to a plan, or to copy unfiltered data to a target.
When you add tables to a group, you can include residual tables in the group. A residual table is a table that has not been added to a group. Select residual tables when you want to include all the tables in a source in a data subset plan.
When you edit a group, you can add or remove tables from the group.