When designing your SXV4, it is important to select a default summation option that makes sense for your data. The default summation is applied when a user creates a table, but does not specifically select a summation option.
The default summation option can either be one of the measures or a count of the records in one of the fact tables.
For example, the default summation option for the sample Retail Banking database is a count of the customers table:
To set the default summation option, right-click either the measure you want to use or the fact table (if you want to use a record count) and select Set Default Summation.
A + sign appears next to the item you clicked on, to indicate that it is the default summation: